Bump cloud.google.com/go/longrunning from 0.5.11 to 0.6.0

Bumps [cloud.google.com/go/longrunning](https://github.com/googleapis/google-cloud-go) from 0.5.11 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@longrunning/v0.5.11...v0.6.0)

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

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

Author: dependabot[bot]

go.mod

@@ -3,7 +3,7 @@ module github.com/smallstep/certificates
 go 1.22.0
 
 require (
-	cloud.google.com/go/longrunning v0.5.12
+	cloud.google.com/go/longrunning v0.6.0
 	cloud.google.com/go/security v1.18.0
 	github.com/Masterminds/sprig/v3 v3.2.3
 	github.com/coreos/go-oidc/v3 v3.11.0

go.sum

@@ -11,8 +11,8 @@ cloud.google.com/go/iam v1.1.13 h1:7zWBXG9ERbMLrzQBRhFliAV+kjcRToDTgQT3CTwYyv4=
 cloud.google.com/go/iam v1.1.13/go.mod h1:K8mY0uSXwEXS30KrnVb+j54LB/ntfZu1dr+4zFMNbus=
 cloud.google.com/go/kms v1.18.4 h1:dYN3OCsQ6wJLLtOnI8DGUwQ5shMusXsWCCC+s09ATsk=
 cloud.google.com/go/kms v1.18.4/go.mod h1:SG1bgQ3UWW6/KdPo9uuJnzELXY5YTTMJtDYvajiQ22g=
-cloud.google.com/go/longrunning v0.5.12 h1:5LqSIdERr71CqfUsFlJdBpOkBH8FBCFD7P1nTWy3TYE=
-cloud.google.com/go/longrunning v0.5.12/go.mod h1:S5hMV8CDJ6r50t2ubVJSKQVv5u0rmik5//KgLO3k4lU=
+cloud.google.com/go/longrunning v0.6.0 h1:mM1ZmaNsQsnb+5n1DNPeL0KwQd9jQRqSqSDEkBZr+aI=
+cloud.google.com/go/longrunning v0.6.0/go.mod h1:uHzSZqW89h7/pasCWNYdUpwGz3PcVWhrWupreVPYLts=
 cloud.google.com/go/security v1.18.0 h1:CjBd67GVb+Oenjt4VsUw0RUQktSIgexTJN3UQta7XRE=
 cloud.google.com/go/security v1.18.0/go.mod h1:oS/kRVUNmkwEqzCgSmK2EaGd8SbDUvliEiADjSb/8Mo=
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=