chore(deps): update helm release oauth2-proxy to v7.7.8

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
oauth2-proxy (source)	patch	7.7.6 -> 7.7.8

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Release Notes

oauth2-proxy/manifests (oauth2-proxy)

### [`v7.7.8`](https://togithub.com/oauth2-proxy/manifests/releases/tag/oauth2-proxy-7.7.8) [Compare Source](https://togithub.com/oauth2-proxy/manifests/compare/oauth2-proxy-7.7.7...oauth2-proxy-7.7.8) A reverse proxy that provides authentication with Google, Github or other providers #### What's Changed - Updated the Redis chart to the latest version by [@​pierluigilenoci](https://togithub.com/pierluigilenoci) in [https://github.com/oauth2-proxy/manifests/pull/221](https://togithub.com/oauth2-proxy/manifests/pull/221) **Full Changelog**: https://github.com/oauth2-proxy/manifests/compare/oauth2-proxy-7.7.7...oauth2-proxy-7.7.8 ### [`v7.7.7`](https://togithub.com/oauth2-proxy/manifests/releases/tag/oauth2-proxy-7.7.7) [Compare Source](https://togithub.com/oauth2-proxy/manifests/compare/oauth2-proxy-7.7.6...oauth2-proxy-7.7.7) A reverse proxy that provides authentication with Google, Github or other providers #### What's Changed - fix: Reorder metrics list in HPA by [@​losil](https://togithub.com/losil) in [https://github.com/oauth2-proxy/manifests/pull/220](https://togithub.com/oauth2-proxy/manifests/pull/220) **Full Changelog**: https://github.com/oauth2-proxy/manifests/compare/oauth2-proxy-7.7.6...oauth2-proxy-7.7.7

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