ci: add angular/dev-infra to Angular group

Author: alan-agius4

renovate.json

@@ -21,7 +21,7 @@
   ],
   "packageRules": [
     {
-      "packagePatterns": ["^@angular/.*"],
+      "packagePatterns": ["^@angular/.*", "angular/dev-infra"],
       "groupName": "angular",
       "pinVersions": false
     },
@@ -66,7 +66,7 @@
         "!packages/angular_devkit/schematics_cli/schematic/files/package.json",
         "!packages/schematics/angular/utility/latest-versions/package.json"
       ],
-      "excludePackagePatterns": ["^@angular/.*"],
+      "excludePackagePatterns": ["^@angular/.*", "angular/dev-infra"],
       "matchPackagePatterns": ["*"],
       "matchUpdateTypes": ["minor", "patch"],
       "groupName": "all non-major dependencies",