Bump cloud.google.com/go/compute/metadata from 0.5.2 to 0.6.0

Bumps [cloud.google.com/go/compute/metadata](https://github.com/googleapis/google-cloud-go) from 0.5.2 to 0.6.0.
- [Release notes](https://github.com/googleapis/google-cloud-go/releases)
- [Changelog](https://github.com/googleapis/google-cloud-go/blob/main/CHANGES.md)
- [Commits](googleapis/google-cloud-go@apps/v0.5.2...v0.6.0)

---
updated-dependencies:
- dependency-name: cloud.google.com/go/compute/metadata
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -3,7 +3,7 @@ module github.com/buildkite/agent/v3
 go 1.22.6
 
 require (
-	cloud.google.com/go/compute/metadata v0.5.2
+	cloud.google.com/go/compute/metadata v0.6.0
 	drjosh.dev/zzglob v0.4.0
 	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.8.0
 	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.5.0

go.sum

@@ -3,8 +3,8 @@ cloud.google.com/go/auth v0.11.0 h1:Ic5SZz2lsvbYcWT5dfjNWgw6tTlGi2Wc8hyQSC9BstA=
 cloud.google.com/go/auth v0.11.0/go.mod h1:xxA5AqpDrvS+Gkmo9RqrGGRh6WSNKKOXhY3zNOr38tI=
 cloud.google.com/go/auth/oauth2adapt v0.2.6 h1:V6a6XDu2lTwPZWOawrAa9HUK+DB2zfJyTuciBG5hFkU=
 cloud.google.com/go/auth/oauth2adapt v0.2.6/go.mod h1:AlmsELtlEBnaNTL7jCj8VQFLy6mbZv0s4Q7NGBeQ5E8=
-cloud.google.com/go/compute/metadata v0.5.2 h1:UxK4uu/Tn+I3p2dYWTfiX4wva7aYlKixAHn3fyqngqo=
-cloud.google.com/go/compute/metadata v0.5.2/go.mod h1:C66sj2AluDcIqakBq/M8lw8/ybHgOZqin2obFxa/E5k=
+cloud.google.com/go/compute/metadata v0.6.0 h1:A6hENjEsCDtC1k8byVsgwvVcioamEHvZ4j01OwKxG9I=
+cloud.google.com/go/compute/metadata v0.6.0/go.mod h1:FjyFAW1MW0C203CEOMDTu3Dk1FlqW3Rga40jzHL4hfg=
 drjosh.dev/zzglob v0.4.0 h1:gOb46aIHyHG8BlYpvZZM4dqR2dpsbKtI82IbYVAYIj4=
 drjosh.dev/zzglob v0.4.0/go.mod h1:c3V3WPyfG+81h/bNOalEaba0jEQl16i9efSAmWOeOw8=
 github.com/Azure/azure-sdk-for-go/sdk/azcore v1.16.0 h1:JZg6HRh6W6U4OLl6lk7BZ7BLisIzM9dG1R50zUk9C/M=