[CI] Mirror api.github.com using scheduled job (#11711)

* [CI] Mirror api.github.com using scheduled job (part of #11672)

* [CI] Rename scheduled job for mirroring GH API responses

* [CI] Include manual trigger for mirror job

* [CI] Use GitHub bot for pushing changes in scheduled job

Author: bonigarcia

.github/workflows/mirror-selenium-releases.yml

@@ -0,0 +1,37 @@
+name: mirror
+
+on:
+  schedule:
+    - cron:  '0 */12 * * *'
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        persist-credentials: false
+        fetch-depth: 0
+    - name: Read api.github.com and filter response
+      run: |
+        cd common/mirror
+        export JQ_FILTER="[.[] | {tag_name: .tag_name, assets: [.assets[] | {browser_download_url: .browser_download_url} ] } ]"
+        curl -H "Authorization: ${{ secrets.GITHUB_TOKEN }}" https://api.github.com/repos/SeleniumHQ/selenium/releases | jq "$JQ_FILTER" > selenium
+    - name: Commit files
+      id: git
+      run: |
+        export CHANGES=$(git status -s)
+        if [ -n "$CHANGES" ]; then
+           git config --local user.email "github-actions[bot]@users.noreply.github.com"
+           git config --local user.name "github-actions[bot]"
+           git add common/mirror/selenium
+           git commit -m "Update mirror info" -a
+           echo "::set-output name=commit::true"
+        fi
+    - name: Push changes
+      if: steps.git.outputs.commit == 'true'
+      uses: ad-m/github-push-action@master
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        branch: ${{ github.ref }}