chore(all): auto-regenerate gapics (#6100)

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#816

Changes:

chore(firestore/apiv1): expose new TTL / Database Admin experimental API
  PiperOrigin-RevId: 451252826
  Source-Link: googleapis/googleapis@dea7c80

firestore/apiv1/admin/gapic_metadata.json

@@ -10,6 +10,11 @@
         "grpc": {
           "libraryClient": "FirestoreAdminClient",
           "rpcs": {
+            "CancelOperation": {
+              "methods": [
+                "CancelOperation"
+              ]
+            },
             "CreateIndex": {
               "methods": [
                 "CreateIndex"
@@ -20,6 +25,11 @@
                 "DeleteIndex"
               ]
             },
+            "DeleteOperation": {
+              "methods": [
+                "DeleteOperation"
+              ]
+            },
             "ExportDocuments": {
               "methods": [
                 "ExportDocuments"
@@ -40,6 +50,11 @@
                 "GetIndex"
               ]
             },
+            "GetOperation": {
+              "methods": [
+                "GetOperation"
+              ]
+            },
             "ImportDocuments": {
               "methods": [
                 "ImportDocuments"
@@ -60,6 +75,11 @@
                 "ListIndexes"
               ]
             },
+            "ListOperations": {
+              "methods": [
+                "ListOperations"
+              ]
+            },
             "UpdateDatabase": {
               "methods": [
                 "UpdateDatabase"

firestore/go.mod

@@ -7,8 +7,8 @@ require (
 	github.com/golang/protobuf v1.5.2
 	github.com/google/go-cmp v0.5.8
 	github.com/googleapis/gax-go/v2 v2.4.0
-	google.golang.org/api v0.80.0
-	google.golang.org/genproto v0.0.0-20220505152158-f39f71e6c8f3
+	google.golang.org/api v0.81.0
+	google.golang.org/genproto v0.0.0-20220527130721-00d5c0f3be58
 	google.golang.org/grpc v1.46.2
 	google.golang.org/protobuf v1.28.0
 )