chore(ci): set up release branches in sync for now

.github/workflows/push-branches-from-main.yaml

@@ -0,0 +1,35 @@
+name: "Push changes to beta and alpha branches"
+
+# This CI job is responsible for pushing the current contents of the `main` branch to the
+# releases/mobile/dev branch, which will in turn kick off a Fastlane build for the Dev app
+# version. It is configured to run every day at 2AM UTC and can also be triggered via a
+# GitHub action button press in the GitHub UI.
+
+on:
+  push:
+    branches:
+      - main
+
+# https://stackoverflow.com/questions/57921401/push-to-origin-from-github-action
+jobs:
+  dev-branch-push:
+    name: "Push to dev branch"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@7884fcad6b5d53d10323aee724dc68d8b9096a2e
+        with:
+          token: ${{ secrets.SERVICE_ACCOUNT_PAT }}
+          ref: main
+
+      - name: Setup git
+        run: |
+          git config user.name "UL Mobile Service Account"
+          git config user.email "[email protected]"
+
+      - name: ↗️  Push to beta
+        run: |
+          git push -u origin main:beta --force
+
+      - name: ↗️  Push to alpha
+        run: |
+          git push -u origin main:alpha --force