chore(deps): bump github.com/googleapis/gax-go/v2 from 2.5.1 to 2.6.0 (#1643)

Bumps [github.com/googleapis/gax-go/v2](https://github.com/googleapis/gax-go) from 2.5.1 to 2.6.0.
- [Release notes](https://github.com/googleapis/gax-go/releases)
- [Commits](https://github.com/googleapis/gax-go/compare/v2.5.1...v2.6.0)

---
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] <support@github.com>
Signed-off-by: Moritz Johner <beller.moritz@googlemail.com>

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Moritz Johner <beller.moritz@googlemail.com>
Co-authored-by: Moritz Johner <beller.moritz@googlemail.com>

e2e/go.mod

@@ -134,7 +134,7 @@ require (
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.2.0 // indirect
-	github.com/googleapis/gax-go/v2 v2.5.1 // indirect
+	github.com/googleapis/gax-go/v2 v2.6.0 // indirect
 	github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect

e2e/go.sum

@@ -507,8 +507,8 @@ github.com/googleapis/enterprise-certificate-proxy v0.2.0 h1:y8Yozv7SZtlU//QXbez
 github.com/googleapis/enterprise-certificate-proxy v0.2.0/go.mod h1:8C0jb7/mgJe/9KK8Lm7X9ctZC2t60YyIpYEI16jx0Qg=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
-github.com/googleapis/gax-go/v2 v2.5.1 h1:kBRZU0PSuI7PspsSb/ChWoVResUcwNVIdpB049pKTiw=
-github.com/googleapis/gax-go/v2 v2.5.1/go.mod h1:h6B0KMMFNtI2ddbGJn3T3ZbwkeT6yqEF02fYlzkUCyo=
+github.com/googleapis/gax-go/v2 v2.6.0 h1:SXk3ABtQYDT/OH8jAyvEOQ58mgawq5C4o/4/89qN2ZU=
+github.com/googleapis/gax-go/v2 v2.6.0/go.mod h1:1mjbznJAPHFpesgE5ucqfYEscaz5kMdcIDwU/6+DDoY=
 github.com/googleapis/gnostic v0.5.1/go.mod h1:6U4PtQXGIEt/Z3h5MAT7FNofLnw9vXk2cUuW7uA/OeU=
 github.com/gophercloud/gophercloud v0.1.0/go.mod h1:vxM41WHh5uqHVBMZHzuwNOHh8XEoIEcSTewFxm1c5g8=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=

go.mod

@@ -54,7 +54,7 @@ require (
 	github.com/go-test/deep v1.0.4 // indirect
 	github.com/google/go-cmp v0.5.9
 	github.com/google/uuid v1.3.0
-	github.com/googleapis/gax-go/v2 v2.5.1
+	github.com/googleapis/gax-go/v2 v2.6.0
 	github.com/hashicorp/vault/api v1.8.1
 	github.com/hashicorp/vault/api/auth/approle v0.3.0
 	github.com/hashicorp/vault/api/auth/kubernetes v0.3.0

go.sum

@@ -395,8 +395,8 @@ github.com/googleapis/enterprise-certificate-proxy v0.2.0 h1:y8Yozv7SZtlU//QXbez
 github.com/googleapis/enterprise-certificate-proxy v0.2.0/go.mod h1:8C0jb7/mgJe/9KK8Lm7X9ctZC2t60YyIpYEI16jx0Qg=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
-github.com/googleapis/gax-go/v2 v2.5.1 h1:kBRZU0PSuI7PspsSb/ChWoVResUcwNVIdpB049pKTiw=
-github.com/googleapis/gax-go/v2 v2.5.1/go.mod h1:h6B0KMMFNtI2ddbGJn3T3ZbwkeT6yqEF02fYlzkUCyo=
+github.com/googleapis/gax-go/v2 v2.6.0 h1:SXk3ABtQYDT/OH8jAyvEOQ58mgawq5C4o/4/89qN2ZU=
+github.com/googleapis/gax-go/v2 v2.6.0/go.mod h1:1mjbznJAPHFpesgE5ucqfYEscaz5kMdcIDwU/6+DDoY=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=