fix(deps): update dependency @actions/github to v6

Author: renovate[bot]

package.json

@@ -29,7 +29,7 @@
   "homepage": "https://github.com/tmillr/breaking-change#readme",
   "dependencies": {
     "@actions/core": "1.10.0",
-    "@actions/github": "5.1.1",
+    "@actions/github": "6.0.1",
     "js-yaml": "4.1.0"
   },
   "devDependencies": {