Bump github.com/googleapis/gax-go/v2 from 2.11.0 to 2.12.0 (#4323)

Bumps [github.com/googleapis/gax-go/v2](https:/googleapis/gax-go) from 2.11.0 to 2.12.0.
- [Release notes](https:/googleapis/gax-go/releases)
- [Commits](googleapis/gax-go@v2.11.0...v2.12.0)

---
updated-dependencies:
- dependency-name: github.com/googleapis/gax-go/v2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -40,7 +40,7 @@ require (
  github.com/google/go-containerregistry v0.15.2
  github.com/google/go-tpm v0.9.0
  github.com/google/go-tpm-tools v0.4.0
- github.com/googleapis/gax-go/v2 v2.11.0
+ github.com/googleapis/gax-go/v2 v2.12.0
  github.com/gorilla/handlers v1.5.1
  github.com/hashicorp/go-hclog v1.5.0
  github.com/hashicorp/go-plugin v1.4.10

go.sum

@@ -1282,8 +1282,8 @@ github.com/googleapis/gax-go/v2 v2.7.0/go.mod h1:TEop28CZZQ2y+c0VxMUmu1lV+fQx57Q
 github.com/googleapis/gax-go/v2 v2.7.1/go.mod h1:4orTrqY6hXxxaUL4LHIPl6lGo8vAE38/qKbhSAKP6QI=
 github.com/googleapis/gax-go/v2 v2.8.0/go.mod h1:4orTrqY6hXxxaUL4LHIPl6lGo8vAE38/qKbhSAKP6QI=
 github.com/googleapis/gax-go/v2 v2.10.0/go.mod h1:4UOEnMCrxsSqQ940WnTiD6qJ63le2ev3xfyagutxiPw=
-github.com/googleapis/gax-go/v2 v2.11.0 h1:9V9PWXEsWnPpQhu/PeQIkS4eGzMlTLGgt80cUUI8Ki4=
-github.com/googleapis/gax-go/v2 v2.11.0/go.mod h1:DxmR61SGKkGLa2xigwuZIQpkCI2S5iydzRfb3peWZJI=
+github.com/googleapis/gax-go/v2 v2.12.0 h1:A+gCJKdRfqXkr+BIRGtZLibNXf0m1f9E4HG56etFpas=
+github.com/googleapis/gax-go/v2 v2.12.0/go.mod h1:y+aIqrI5eb1YGMVJfuV3185Ts/D7qKpsEkdD5+I6QGU=
 github.com/googleapis/go-type-adapters v1.0.0/go.mod h1:zHW75FOG2aur7gAO2B+MLby+cLsWGBF62rFAi7WjWO4=
 github.com/googleapis/google-cloud-go-testing v0.0.0-20200911160855-bcd43fbb19e8/go.mod h1:dvDLG8qkwmyD9a/MJJN3XJcT3xFxOKAvTZGvuZmac9g=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=