Bump cloud.google.com/go/kms from 1.20.1 to 1.20.2 in /tools/clean (#1978)

Bumps [cloud.google.com/go/kms](https://github.com/googleapis/google-cloud-go) from 1.20.1 to 1.20.2.
- [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@kms/v1.20.1...kms/v1.20.2)

---
updated-dependencies:
- dependency-name: cloud.google.com/go/kms
  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 1.23.1
 
 require (
 	cloud.google.com/go/compute v1.29.0
-	cloud.google.com/go/kms v1.20.1
+	cloud.google.com/go/kms v1.20.2
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.16.0
 	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.8.0
 	github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/keyvault/armkeyvault v1.4.0

tools/clean/go.sum

@@ -11,8 +11,8 @@ cloud.google.com/go/compute/metadata v0.5.2 h1:UxK4uu/Tn+I3p2dYWTfiX4wva7aYlKixA
 cloud.google.com/go/compute/metadata v0.5.2/go.mod h1:C66sj2AluDcIqakBq/M8lw8/ybHgOZqin2obFxa/E5k=
 cloud.google.com/go/iam v1.2.2 h1:ozUSofHUGf/F4tCNy/mu9tHLTaxZFLOUiKzjcgWHGIA=
 cloud.google.com/go/iam v1.2.2/go.mod h1:0Ys8ccaZHdI1dEUilwzqng/6ps2YB6vRsjIe00/+6JY=
-cloud.google.com/go/kms v1.20.1 h1:og29Wv59uf2FVaZlesaiDAqHFzHaoUyHI3HYp9VUHVg=
-cloud.google.com/go/kms v1.20.1/go.mod h1:LywpNiVCvzYNJWS9JUcGJSVTNSwPwi0vBAotzDqn2nc=
+cloud.google.com/go/kms v1.20.2 h1:NGTHOxAyhDVUGVU5KngeyGScrg2D39X76Aphe6NC7S0=
+cloud.google.com/go/kms v1.20.2/go.mod h1:LywpNiVCvzYNJWS9JUcGJSVTNSwPwi0vBAotzDqn2nc=
 cloud.google.com/go/longrunning v0.6.2 h1:xjDfh1pQcWPEvnfjZmwjKQEcHnpz6lHjfy7Fo0MK+hc=
 cloud.google.com/go/longrunning v0.6.2/go.mod h1:k/vIs83RN4bE3YCswdXC5PFfWVILjm3hpEUlSko4PiI=
 github.com/Azure/azure-sdk-for-go/sdk/azcore v1.16.0 h1:JZg6HRh6W6U4OLl6lk7BZ7BLisIzM9dG1R50zUk9C/M=