Bump cloud.google.com/go/kms from 1.15.5 to 1.15.6

Bumps [cloud.google.com/go/kms](https://github.com/googleapis/google-cloud-go) from 1.15.5 to 1.15.6.
- [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/v1.15.5...kms/v1.15.6)

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

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

go.mod

@@ -17,7 +17,7 @@ require (
 	cloud.google.com/go/compute v1.23.4 // indirect
 	cloud.google.com/go/compute/metadata v0.2.3 // indirect
 	cloud.google.com/go/iam v1.1.6 // indirect
-	cloud.google.com/go/kms v1.15.5 // indirect
+	cloud.google.com/go/kms v1.15.6 // indirect
 	cloud.google.com/go/monitoring v1.17.1 // indirect
 	github.com/Azure/azure-sdk-for-go v68.0.0+incompatible // indirect
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.9.1 // indirect

go.sum

@@ -50,8 +50,8 @@ cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1
 cloud.google.com/go/iam v0.3.0/go.mod h1:XzJPvDayI+9zsASAFO68Hk07u3z+f+JrT2xXNdp4bnY=
 cloud.google.com/go/iam v1.1.6 h1:bEa06k05IO4f4uJonbB5iAgKTPpABy1ayxaIZV/GHVc=
 cloud.google.com/go/iam v1.1.6/go.mod h1:O0zxdPeGBoFdWW3HWmBxJsk0pfvNM/p/qa82rWOGTwI=
-cloud.google.com/go/kms v1.15.5 h1:pj1sRfut2eRbD9pFRjNnPNg/CzJPuQAzUujMIM1vVeM=
-cloud.google.com/go/kms v1.15.5/go.mod h1:cU2H5jnp6G2TDpUGZyqTCoy1n16fbubHZjmVXSMtwDI=
+cloud.google.com/go/kms v1.15.6 h1:ktpEMQmsOAYj3VZwH020FcQlm23BVYg8T8O1woG2GcE=
+cloud.google.com/go/kms v1.15.6/go.mod h1:yF75jttnIdHfGBoE51AKsD/Yqf+/jICzB9v1s1acsms=
 cloud.google.com/go/monitoring v1.5.0/go.mod h1:/o9y8NYX5j91JjD/JvGLYbi86kL11OjyJXq2XziLJu4=
 cloud.google.com/go/monitoring v1.17.1 h1:xqcNr+JXmFMCPXnent/i1r0De6zrcqzgcMy5X1xa5vg=
 cloud.google.com/go/monitoring v1.17.1/go.mod h1:SJzPMakCF0GHOuKEH/r4hxVKF04zl+cRPQyc3d/fqII=