ci: use a matrix to split renovate across multiple runners (#2507)

PR Close #2507

Author: josephperrott

.github/ng-renovate/runner-config.js

@@ -9,14 +9,6 @@ module.exports = {
   onboarding: false,
   persistRepoData: true,
   allowedPostUpgradeCommands: ['.', '^yarn install$', '^yarn update-generated-files$'],
-  repositories: [
-    'angular/angular',
-    'angular/dev-infra',
-    'angular/components',
-    'angular/angular-cli',
-    'angular/vscode-ng-language-service',
-    'angular/.github',
-  ],
   hostRules: [
     {
       matchHost: 'api.github.com',

.github/workflows/ng-renovate.yml

@@ -13,6 +13,15 @@ permissions:
 
 jobs:
   renovate:
+    strategy:
+      matrix:
+        REPOSITORY:
+          - angular/angular
+          - angular/dev-infra
+          - angular/components
+          - angular/angular-cli
+          - angular/vscode-ng-language-service
+          - angular/.github
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -29,3 +38,4 @@ jobs:
           RENOVATE_FORK_TOKEN: ${{ secrets.NG_RENOVATE_USER_ACCESS_TOKEN }}
           GITHUB_COM_TOKEN: ${{ secrets.NG_RENOVATE_USER_ACCESS_TOKEN }}
           RENOVATE_CONFIG_FILE: .github/ng-renovate/runner-config.js
+          RENOVATE_REPOSITORIES: ${{ matrix.REPOSITORY }}