enable auto migrations in cloud

Author: hamishfagg

.github/workflows/build_deploy_dev.yml

@@ -1,7 +1,7 @@
 name: Build and deploy to dev
 
 on:
-  pull_request_target:
+  pull_request:
     types: [opened, reopened, synchronize, labeled]
     branches:
       - 'main'

.github/workflows/deploy.yml

@@ -16,11 +16,37 @@ on:
         required: true
       REPO_DISPATCH_PAT_TOKEN:
         required: true
+      MINDSDB_DB_CON:
+        required: true
 
 jobs:
+  migrate:
+    if: github.actor != 'mindsdbadmin'
+    runs-on: ${{ matrix.deploy-env == 'prod' && 'mdb-prod' || 'mdb-dev' }}
+    strategy:
+      fail-fast: false
+      matrix:
+        deploy-env: ${{ fromJson(inputs.deploy-envs) }}
+    environment:
+      MINDSDB_DB_CON: ${{ secrets.MINDSDB_DB_CON }}
+    
+    # We only want to run one deploy job for an env at a time
+    # Don't cancel in progress jobs because it may be for a different PR
+    concurrency:
+      group: deploy-${{ matrix.deploy-env }}
+      cancel-in-progress: false
+    steps:
+      - uses: actions/checkout@v4
+      - name: Migrate DB
+        run: |
+          cd mindsdb/migrations
+          env PYTHONPATH=../../ alembic upgrade head
+
+
   # Trigger private repo to deploy
   trigger_deploy:
     if: github.actor != 'mindsdbadmin'
+    needs: migrate
     runs-on: mdb-dev
     strategy:
       fail-fast: false