build: update dependency @actions/github to v9

See associated pull request for more information.

Author: angular-robot

.github/local-actions/branch-manager/main.js

@@ -1,7 +1,7 @@
 {
   "dependencies": {
     "@actions/core": "3.0.0",
-    "@actions/github": "8.0.1",
+    "@actions/github": "9.0.0",
     "@octokit/rest": "22.0.1",
     "@types/node": "24.10.9",
     "typed-graphqlify": "3.1.6",

.github/local-actions/branch-manager/package.json

@@ -1,7 +1,7 @@
 {
   "dependencies": {
     "@actions/core": "3.0.0",
-    "@actions/github": "8.0.1",
+    "@actions/github": "9.0.0",
     "@octokit/rest": "22.0.1",
     "@octokit/types": "16.0.0",
     "@types/node": "24.10.9",

.github/local-actions/labels-sync/main.js

@@ -1,7 +1,7 @@
 {
   "dependencies": {
     "@actions/core": "3.0.0",
-    "@actions/github": "8.0.1",
+    "@actions/github": "9.0.0",
     "@octokit/rest": "22.0.1",
     "@octokit/types": "16.0.0",
     "@types/node": "24.10.9",

.github/local-actions/labels-sync/package.json

@@ -2,7 +2,7 @@
   "type": "module",
   "dependencies": {
     "@actions/core": "3.0.0",
-    "@actions/github": "8.0.1",
+    "@actions/github": "9.0.0",
     "@octokit/rest": "22.0.1",
     "@octokit/webhooks-types": "7.6.1",
     "@types/node": "24.10.9",

.github/local-actions/lock-closed/main.js

@@ -2,7 +2,7 @@
   "type": "module",
   "dependencies": {
     "@actions/core": "3.0.0",
-    "@actions/github": "8.0.1",
+    "@actions/github": "9.0.0",
     "@octokit/request-error": "7.1.0",
     "@octokit/rest": "22.0.1",
     "@types/jasmine": "6.0.0",