ci: remove stopUpdatingLabel setting (angular#55683)

This commit removes the 'stopUpdatingLabel' option from Renovate settings. This option caused pull requests to not automatically rebase when  conflicting.

PR Close angular#55683

Author: alan-agius4

renovate.json

@@ -2,7 +2,6 @@
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "baseBranches": ["main"],
   "enabledManagers": ["npm", "bazel", "github-actions"],
-  "stopUpdatingLabel": "action: merge",
   "rangeStrategy": "replace",
   "pinDigests": true,
   "semanticCommits": "enabled",
@@ -72,7 +71,11 @@
 
     {
       "matchPackagePrefixes": ["@angular/", "angular/", "@angular-devkit", "@schematics/"],
-      "matchPaths": ["packages/**", "aio/tools/examples/shared/**", "adev/src/content/tutorials/**"],
+      "matchPaths": [
+        "packages/**",
+        "aio/tools/examples/shared/**",
+        "adev/src/content/tutorials/**"
+      ],
       "followTag": null
     },
 
@@ -107,6 +110,9 @@
 
     {"matchCurrentVersion": "0.0.0-PLACEHOLDER", "enabled": false},
 
-    {"matchPaths": ["integration/**", "packages/zone.js/test/typings/package.json"], "enabled": false}
+    {
+      "matchPaths": ["integration/**", "packages/zone.js/test/typings/package.json"],
+      "enabled": false
+    }
   ]
 }