chore(all): auto-regenerate gapics

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#798

Changes:

fix(compute): revert proto3_optional, required removal on parent_id (#714)

  Source-Link: googleapis/googleapis@6b3fdce

build(servicemanagement): fix broken links
  PiperOrigin-RevId: 443188324
  Source-Link: googleapis/googleapis@775267e

internal/generated/snippets/aiplatform/apiv1/snippet_metadata.google.cloud.aiplatform.v1.json

@@ -1,7 +1,7 @@
 {
   "clientLibrary": {
     "name": "cloud.google.com/go/aiplatform/apiv1",
-    "version": "1.8.0",
+    "version": "1.9.0",
     "language": "GO",
     "apis": [
       {

internal/generated/snippets/aiplatform/apiv1beta1/snippet_metadata.google.cloud.aiplatform.v1beta1.json

@@ -1,7 +1,7 @@
 {
   "clientLibrary": {
     "name": "cloud.google.com/go/aiplatform/apiv1beta1",
-    "version": "1.8.0",
+    "version": "1.9.0",
     "language": "GO",
     "apis": [
       {

internal/generated/snippets/dialogflow/apiv2/snippet_metadata.google.cloud.dialogflow.v2.json

@@ -1,7 +1,7 @@
 {
   "clientLibrary": {
     "name": "cloud.google.com/go/dialogflow/apiv2",
-    "version": "1.8.0",
+    "version": "1.8.1",
     "language": "GO",
     "apis": [
       {

internal/generated/snippets/dialogflow/cx/apiv3/snippet_metadata.google.cloud.dialogflow.cx.v3.json

@@ -1,7 +1,7 @@
 {
   "clientLibrary": {
     "name": "cloud.google.com/go/dialogflow/cx/apiv3",
-    "version": "1.8.0",
+    "version": "1.8.1",
     "language": "GO",
     "apis": [
       {

internal/generated/snippets/dialogflow/cx/apiv3beta1/snippet_metadata.google.cloud.dialogflow.cx.v3beta1.json

@@ -1,7 +1,7 @@
 {
   "clientLibrary": {
     "name": "cloud.google.com/go/dialogflow/cx/apiv3beta1",
-    "version": "1.8.0",
+    "version": "1.8.1",
     "language": "GO",
     "apis": [
       {

internal/generated/snippets/eventarc/apiv1/snippet_metadata.google.cloud.eventarc.v1.json

@@ -1,7 +1,7 @@
 {
   "clientLibrary": {
     "name": "cloud.google.com/go/eventarc/apiv1",
-    "version": "1.4.0",
+    "version": "1.5.0",
     "language": "GO",
     "apis": [
       {

internal/generated/snippets/eventarc/publishing/apiv1/snippet_metadata.google.cloud.eventarc.publishing.v1.json

@@ -1,7 +1,7 @@
 {
   "clientLibrary": {
     "name": "cloud.google.com/go/eventarc/publishing/apiv1",
-    "version": "1.4.0",
+    "version": "1.5.0",
     "language": "GO",
     "apis": [
       {