chore(all): auto-regenerate gapics (#6918)

This is an auto-generated regeneration of the gapic clients by
cloud.google.com/go/internal/gapicgen. Once the corresponding genproto PR is
submitted, genbot will update this PR with a newer dependency to the newer
version of genproto and assign reviewers to this PR.

If you have been assigned to review this PR, please:

- Ensure that the version of genproto in go.mod has been updated.
- Ensure that CI is passing. If it's failing, it requires your manual attention.
- Approve and submit this PR if you believe it's ready to ship.

Corresponding genproto PR: googleapis/go-genproto#928

accessapproval/go.mod

@@ -3,6 +3,7 @@ module cloud.google.com/go/accessapproval
 go 1.19
 
 require (
+	github.com/golang/protobuf v1.5.2
 	github.com/googleapis/gax-go/v2 v2.6.0
 	google.golang.org/api v0.99.0
 	google.golang.org/genproto v0.0.0-20221010155953-15ba04fc1c0e
@@ -13,7 +14,6 @@ require (
 require (
 	cloud.google.com/go/compute v1.10.0 // indirect
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.2.0 // indirect
 	go.opencensus.io v0.23.0 // indirect