Bump cloud.google.com/go/kms from 1.21.1 to 1.21.2 in /tools/clean (#2280)

Bumps [cloud.google.com/go/kms](https://github.com/googleapis/google-cloud-go) from 1.21.1 to 1.21.2.
- [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@dlp/v1.21.1...kms/v1.21.2)

---
updated-dependencies:
- dependency-name: cloud.google.com/go/kms
  dependency-version: 1.21.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

tools/clean/go.mod

@@ -4,7 +4,7 @@ go 1.24
 
 require (
 	cloud.google.com/go/compute v1.36.1
-	cloud.google.com/go/kms v1.21.1
+	cloud.google.com/go/kms v1.21.2
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.0
 	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.9.0
 	github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/keyvault/armkeyvault v1.5.0
@@ -20,8 +20,8 @@ require (
 	cloud.google.com/go/auth v0.16.0 // indirect
 	cloud.google.com/go/auth/oauth2adapt v0.2.8 // indirect
 	cloud.google.com/go/compute/metadata v0.6.0 // indirect
-	cloud.google.com/go/iam v1.4.1 // indirect
-	cloud.google.com/go/longrunning v0.6.5 // indirect
+	cloud.google.com/go/iam v1.5.0 // indirect
+	cloud.google.com/go/longrunning v0.6.6 // indirect
 	github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.1 // indirect
 	github.com/AzureAD/microsoft-authentication-library-for-go v1.4.2 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect

tools/clean/go.sum

@@ -8,12 +8,12 @@ cloud.google.com/go/compute v1.36.1 h1:uG7oFEbaElkxgzT0jpX9fQp/tdsR/P7+UL7D90Zj0
 cloud.google.com/go/compute v1.36.1/go.mod h1:AsK4VqrSyXBo4SMbRtfAO1VfaMjUEjEwv1UB/AwVp5Q=
 cloud.google.com/go/compute/metadata v0.6.0 h1:A6hENjEsCDtC1k8byVsgwvVcioamEHvZ4j01OwKxG9I=
 cloud.google.com/go/compute/metadata v0.6.0/go.mod h1:FjyFAW1MW0C203CEOMDTu3Dk1FlqW3Rga40jzHL4hfg=
-cloud.google.com/go/iam v1.4.1 h1:cFC25Nv+u5BkTR/BT1tXdoF2daiVbZ1RLx2eqfQ9RMM=
-cloud.google.com/go/iam v1.4.1/go.mod h1:2vUEJpUG3Q9p2UdsyksaKpDzlwOrnMzS30isdReIcLM=
-cloud.google.com/go/kms v1.21.1 h1:r1Auo+jlfJSf8B7mUnVw5K0fI7jWyoUy65bV53VjKyk=
-cloud.google.com/go/kms v1.21.1/go.mod h1:s0wCyByc9LjTdCjG88toVs70U9W+cc6RKFc8zAqX7nE=
-cloud.google.com/go/longrunning v0.6.5 h1:sD+t8DO8j4HKW4QfouCklg7ZC1qC4uzVZt8iz3uTW+Q=
-cloud.google.com/go/longrunning v0.6.5/go.mod h1:Et04XK+0TTLKa5IPYryKf5DkpwImy6TluQ1QTLwlKmY=
+cloud.google.com/go/iam v1.5.0 h1:QlLcVMhbLGOjRcGe6VTGGTyQib8dRLK2B/kYNV0+2xs=
+cloud.google.com/go/iam v1.5.0/go.mod h1:U+DOtKQltF/LxPEtcDLoobcsZMilSRwR7mgNL7knOpo=
+cloud.google.com/go/kms v1.21.2 h1:c/PRUSMNQ8zXrc1sdAUnsenWWaNXN+PzTXfXOcSFdoE=
+cloud.google.com/go/kms v1.21.2/go.mod h1:8wkMtHV/9Z8mLXEXr1GK7xPSBdi6knuLXIhqjuWcI6w=
+cloud.google.com/go/longrunning v0.6.6 h1:XJNDo5MUfMM05xK3ewpbSdmt7R2Zw+aQEMbdQR65Rbw=
+cloud.google.com/go/longrunning v0.6.6/go.mod h1:hyeGJUrPHcx0u2Uu1UFSoYZLn4lkMrccJig0t4FI7yw=
 github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.0 h1:Gt0j3wceWMwPmiazCa8MzMA0MfhmPIz0Qp0FJ6qcM0U=
 github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.0/go.mod h1:Ot/6aikWnKWi4l9QB7qVSwa8iMphQNqkWALMoNT3rzM=
 github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.9.0 h1:OVoM452qUFBrX+URdH3VpR299ma4kfom0yB0URYky9g=