Add github workflow for analytics migrations

.github/workflows/analytics_migrations.yml

@@ -0,0 +1,33 @@
+name: Check and Run Analytics Migrations
+
+on:
+  pull_request:
+    paths:
+      - analytics/analytics
+  push:
+    paths:
+      - analytics/analytics/migrations
+    branches:
+      - main
+
+jobs:
+  check-and-run-migrations:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+        # If models have been changed and thus `makemigrations` must be run, this check fails
+        # This runs on pull requests and thus blocks until any necessary migrations have been created
+      - name: Check for Migrations
+        run: ./analytics/manage.py makemigrations --check --dry-run
+
+        # If changes pushed to analytics/analytics on main, run any necessary migrations
+      - name: Run Migrations
+        if: ${{ github.event_name == 'push' }}
+        run: ./analytics/manage.py migrate
+        env:
+          DB_HOST: ${{ secrets.ANALYTICS_DB_HOST }}
+          DB_NAME: ${{ secrets.ANALYTICS_DB_NAME }}
+          DB_USER: ${{ secrets.ANALYTICS_DB_USER }}
+          DB_PASS: ${{ secrets.ANALYTICS_DB_PASS }}