fix(deps): update module github.com/gophercloud/gophercloud to v1.13.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
github.com/gophercloud/gophercloud	v1.12.0 -> v1.13.0

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Release Notes

gophercloud/gophercloud (github.com/gophercloud/gophercloud)

### [`v1.13.0`](https://togithub.com/gophercloud/gophercloud/releases/tag/v1.13.0) [Compare Source](https://togithub.com/gophercloud/gophercloud/compare/v1.12.0...v1.13.0) #### What's Changed - \[v1] Add ci jobs for openstack caracal by [@​gophercloud-backport-bot](https://togithub.com/gophercloud-backport-bot) in [https://github.com/gophercloud/gophercloud/pull/3044](https://togithub.com/gophercloud/gophercloud/pull/3044) - \[v1] Adding missing QoS field for router by [@​gophercloud-backport-bot](https://togithub.com/gophercloud-backport-bot) in [https://github.com/gophercloud/gophercloud/pull/3073](https://togithub.com/gophercloud/gophercloud/pull/3073) - \[networking]: add BGP VPNs support (backport to 1.x) by [@​kayrus](https://togithub.com/kayrus) in [https://github.com/gophercloud/gophercloud/pull/3080](https://togithub.com/gophercloud/gophercloud/pull/3080) - Prepare v1.13.0 by [@​pierreprinetti](https://togithub.com/pierreprinetti) in [https://github.com/gophercloud/gophercloud/pull/3087](https://togithub.com/gophercloud/gophercloud/pull/3087) **Full Changelog**: https://github.com/gophercloud/gophercloud/compare/v1.12.0...v1.13.0

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