Add github action for imgbot review and merge

.github/workflows/authorChecklist.yml

@@ -9,7 +9,7 @@ jobs:
   # then you also need to go into PHP and update the name of this job in the GH_JOB_NAME_CHECKLIST constant
   checklist:
     runs-on: ubuntu-latest
-    if: github.actor != 'OSBotify'
+    if: github.actor != 'OSBotify' && github.actor != 'imgbot[bot]'
     steps:
       - name: authorChecklist.js
         uses: Expensify/App/.github/actions/javascript/authorChecklist@main

.github/workflows/cla.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     # This job only runs for pull request comments or pull request target events (not issue comments)
     # It does not run for pull requests created by OSBotify
-    if: ${{ github.event.issue.pull_request || (github.event_name == 'pull_request_target' && github.event.pull_request.user.login != 'OSBotify') }}
+    if: ${{ github.event.issue.pull_request || (github.event_name == 'pull_request_target' && github.event.pull_request.user.login != 'OSBotify' && github.event.pull_request.user.login != 'imgbot[bot]') }}
     steps:
         - name: CLA comment check
           uses: actions-ecosystem/action-regex-match@9c35fe9ac1840239939c59e5db8839422eed8a73

.github/workflows/imgbot.yml

@@ -0,0 +1,23 @@
+name: imgbot Image Optimization
+
+on: pull_request
+
+permissions:
+  pull-requests: write
+
+jobs:
+  approveAndMerge:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'imgbot[bot]' }}
+    steps:
+      - name: Approve imgbot PR
+        run: gh pr review --approve "${{ env.PR_URL }}"
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Merge imgbot PR
+        run: gh pr merge --auto --merge "${{ env.PR_URL }}"
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}