build(deps): bump github.com/gophercloud/gophercloud/v2

Bumps [github.com/gophercloud/gophercloud/v2](https://github.com/gophercloud/gophercloud) from 2.11.1 to 2.12.0.
- [Release notes](https://github.com/gophercloud/gophercloud/releases)
- [Changelog](https://github.com/gophercloud/gophercloud/blob/v2.12.0/CHANGELOG.md)
- [Commits](gophercloud/gophercloud@v2.11.1...v2.12.0)

---
updated-dependencies:
- dependency-name: github.com/gophercloud/gophercloud/v2
  dependency-version: 2.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

go.mod

@@ -8,7 +8,7 @@ require (
 )
 
 require (
-	github.com/gophercloud/gophercloud/v2 v2.11.1
+	github.com/gophercloud/gophercloud/v2 v2.12.0
 	github.com/prometheus/client_golang v1.23.2
 	github.com/spf13/pflag v1.0.10
 )

go.sum

@@ -75,8 +75,8 @@ github.com/google/pprof v0.0.0-20260115054156-294ebfa9ad83 h1:z2ogiKUYzX5Is6zr/v
 github.com/google/pprof v0.0.0-20260115054156-294ebfa9ad83/go.mod h1:MxpfABSjhmINe3F1It9d+8exIHFvUqtLIRCdOGNXqiI=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/gophercloud/gophercloud/v2 v2.11.1 h1:jCs4vLH8sJgRqrPzqVfWgl7uI6JnIIlsgeIRM0uHjxY=
-github.com/gophercloud/gophercloud/v2 v2.11.1/go.mod h1:Rm0YvKQ4QYX2rY9XaDKnjRzSGwlG5ge4h6ABYnmkKQM=
+github.com/gophercloud/gophercloud/v2 v2.12.0 h1:Gxmc/Bog1UDKkxTcQW7MSPTDviJXpLeEgVeN5KrxoCo=
+github.com/gophercloud/gophercloud/v2 v2.12.0/go.mod h1:H7TTOxbLy8RIaHSNhI2GCrWIzw4Xpw8Xn2mBhCUT5kA=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
 github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=