Update dependency traefik to v2.7

This PR contains the following updates:

Package	Update	Change
traefik	minor	`v2.6` -> `v2.7`

Release Notes

containous/traefik

### [`v2.7`](https://togithub.com/containous/traefik/blob/HEAD/CHANGELOG.md#v270-rc1-httpsgithubcomtraefiktraefiktreev270-rc1-2022-03-24) [All Commits](https://togithub.com/traefik/traefik/compare/v2.6.0-rc1...v2.7.0-rc1) **Enhancements:** - **\[consulcatalog]** Watch for Consul events to rebuild the dynamic configuration ([#8476](https://togithub.com/traefik/traefik/pull/8476) by [JasonWangA](https://togithub.com/JasonWangA)) - **\[healthcheck]** Add Failover service ([#8825](https://togithub.com/traefik/traefik/pull/8825) by [tomMoulard](https://togithub.com/tomMoulard)) - **\[http3]** Configure advertised port using h3 server option ([#8778](https://togithub.com/traefik/traefik/pull/8778) by [kevinpollet](https://togithub.com/kevinpollet)) - **\[http3]** Upgrade quic-go to v0.25.0 ([#8760](https://togithub.com/traefik/traefik/pull/8760) by [sylr](https://togithub.com/sylr)) - **\[hub]** Add Traefik Hub Integration (Experimental Feature) ([#8837](https://togithub.com/traefik/traefik/pull/8837) by [jbdoumenjou](https://togithub.com/jbdoumenjou)) - **\[k8s/crd,k8s]** Allow empty services in Kubernetes CRD ([#8802](https://togithub.com/traefik/traefik/pull/8802) by [tomMoulard](https://togithub.com/tomMoulard)) - **\[metrics]** Support InfluxDB v2 metrics backend ([#8250](https://togithub.com/traefik/traefik/pull/8250) by [sh7dm](https://togithub.com/sh7dm)) - **\[plugins]** Remove Pilot token setup constraint to use plugins ([#8869](https://togithub.com/traefik/traefik/pull/8869) by [ldez](https://togithub.com/ldez)) - **\[provider]** Refactor configuration reload/throttling ([#6633](https://togithub.com/traefik/traefik/pull/6633) by [rkojedzinszky](https://togithub.com/rkojedzinszky)) - **\[rules,tcp]** Add HostSNIRegexp rule matcher for TCP ([#8849](https://togithub.com/traefik/traefik/pull/8849) by [rtribotte](https://togithub.com/rtribotte)) - **\[tcp]** Add muxer for TCP Routers ([#8182](https://togithub.com/traefik/traefik/pull/8182) by [dtomcej](https://togithub.com/dtomcej)) - **\[webui,pilot]** Add Traefik Hub access and remove Pilot access ([#8848](https://togithub.com/traefik/traefik/pull/8848) by [tomMoulard](https://togithub.com/tomMoulard)) - **\[webui]** Add a link to service on router detail view ([#8821](https://togithub.com/traefik/traefik/pull/8821) by [Tchoupinax](https://togithub.com/Tchoupinax)) **Documentation:** - Add a Feature Deprecation page ([#8868](https://togithub.com/traefik/traefik/pull/8868) by [ddtmachado](https://togithub.com/ddtmachado)) **Misc:** - Merge current v2.6 into master ([#8877](https://togithub.com/traefik/traefik/pull/8877) by [rtribotte](https://togithub.com/rtribotte)) - Merge current v2.6 into master ([#8865](https://togithub.com/traefik/traefik/pull/8865) by [tomMoulard](https://togithub.com/tomMoulard)) - Merge current v2.6 into master ([#8832](https://togithub.com/traefik/traefik/pull/8832) by [tomMoulard](https://togithub.com/tomMoulard)) - Merge current v2.6 into master ([#8793](https://togithub.com/traefik/traefik/pull/8793) by [tomMoulard](https://togithub.com/tomMoulard)) - Merge current v2.6 into master ([#8777](https://togithub.com/traefik/traefik/pull/8777) by [tomMoulard](https://togithub.com/tomMoulard)) - Merge current v2.6 into master ([#8757](https://togithub.com/traefik/traefik/pull/8757) by [tomMoulard](https://togithub.com/tomMoulard)) - Merge current v2.6 into master ([#8754](https://togithub.com/traefik/traefik/pull/8754) by [tomMoulard](https://togithub.com/tomMoulard)) - Merge current v2.6 into master ([#8736](https://togithub.com/traefik/traefik/pull/8736) by [kevinpollet](https://togithub.com/kevinpollet)) - Merge current v2.6 into master ([#8689](https://togithub.com/traefik/traefik/pull/8689) by [tomMoulard](https://togithub.com/tomMoulard)) - Merge current v2.6 into master ([#8666](https://togithub.com/traefik/traefik/pull/8666) by [tomMoulard](https://togithub.com/tomMoulard)) ### [`v2.7`](https://togithub.com/containous/traefik/blob/HEAD/CHANGELOG.md#v270-rc1-httpsgithubcomtraefiktraefiktreev270-rc1-2022-03-24) [All Commits](https://togithub.com/traefik/traefik/compare/v2.6.0-rc1...v2.7.0-rc1) **Enhancements:** - **\[consulcatalog]** Watch for Consul events to rebuild the dynamic configuration ([#8476](https://togithub.com/traefik/traefik/pull/8476) by [JasonWangA](https://togithub.com/JasonWangA)) - **\[healthcheck]** Add Failover service ([#8825](https://togithub.com/traefik/traefik/pull/8825) by [tomMoulard](https://togithub.com/tomMoulard)) - **\[http3]** Configure advertised port using h3 server option ([#8778](https://togithub.com/traefik/traefik/pull/8778) by [kevinpollet](https://togithub.com/kevinpollet)) - **\[http3]** Upgrade quic-go to v0.25.0 ([#8760](https://togithub.com/traefik/traefik/pull/8760) by [sylr](https://togithub.com/sylr)) - **\[hub]** Add Traefik Hub Integration (Experimental Feature) ([#8837](https://togithub.com/traefik/traefik/pull/8837) by [jbdoumenjou](https://togithub.com/jbdoumenjou)) - **\[k8s/crd,k8s]** Allow empty services in Kubernetes CRD ([#8802](https://togithub.com/traefik/traefik/pull/8802) by [tomMoulard](https://togithub.com/tomMoulard)) - **\[metrics]** Support InfluxDB v2 metrics backend ([#8250](https://togithub.com/traefik/traefik/pull/8250) by [sh7dm](https://togithub.com/sh7dm)) - **\[plugins]** Remove Pilot token setup constraint to use plugins ([#8869](https://togithub.com/traefik/traefik/pull/8869) by [ldez](https://togithub.com/ldez)) - **\[provider]** Refactor configuration reload/throttling ([#6633](https://togithub.com/traefik/traefik/pull/6633) by [rkojedzinszky](https://togithub.com/rkojedzinszky)) - **\[rules,tcp]** Add HostSNIRegexp rule matcher for TCP ([#8849](https://togithub.com/traefik/traefik/pull/8849) by [rtribotte](https://togithub.com/rtribotte)) - **\[tcp]** Add muxer for TCP Routers ([#8182](https://togithub.com/traefik/traefik/pull/8182) by [dtomcej](https://togithub.com/dtomcej)) - **\[webui,pilot]** Add Traefik Hub access and remove Pilot access ([#8848](https://togithub.com/traefik/traefik/pull/8848) by [tomMoulard](https://togithub.com/tomMoulard)) - **\[webui]** Add a link to service on router detail view ([#8821](https://togithub.com/traefik/traefik/pull/8821) by [Tchoupinax](https://togithub.com/Tchoupinax)) **Documentation:** - Add a Feature Deprecation page ([#8868](https://togithub.com/traefik/traefik/pull/8868) by [ddtmachado](https://togithub.com/ddtmachado)) **Misc:** - Merge current v2.6 into master ([#8877](https://togithub.com/traefik/traefik/pull/8877) by [rtribotte](https://togithub.com/rtribotte)) - Merge current v2.6 into master ([#8865](https://togithub.com/traefik/traefik/pull/8865) by [tomMoulard](https://togithub.com/tomMoulard)) - Merge current v2.6 into master ([#8832](https://togithub.com/traefik/traefik/pull/8832) by [tomMoulard](https://togithub.com/tomMoulard)) - Merge current v2.6 into master ([#8793](https://togithub.com/traefik/traefik/pull/8793) by [tomMoulard](https://togithub.com/tomMoulard)) - Merge current v2.6 into master ([#8777](https://togithub.com/traefik/traefik/pull/8777) by [tomMoulard](https://togithub.com/tomMoulard)) - Merge current v2.6 into master ([#8757](https://togithub.com/traefik/traefik/pull/8757) by [tomMoulard](https://togithub.com/tomMoulard)) - Merge current v2.6 into master ([#8754](https://togithub.com/traefik/traefik/pull/8754) by [tomMoulard](https://togithub.com/tomMoulard)) - Merge current v2.6 into master ([#8736](https://togithub.com/traefik/traefik/pull/8736) by [kevinpollet](https://togithub.com/kevinpollet)) - Merge current v2.6 into master ([#8689](https://togithub.com/traefik/traefik/pull/8689) by [tomMoulard](https://togithub.com/tomMoulard)) - Merge current v2.6 into master ([#8666](https://togithub.com/traefik/traefik/pull/8666) by [tomMoulard](https://togithub.com/tomMoulard))