Add nightly verification test GHA workflow

.github/workflows/verification.yaml

@@ -0,0 +1,51 @@
+name: Verification tests
+
+on:
+  workflow_dispatch: # To start from UI
+  schedule:
+    - cron: "12 0 * * *" # 00:12am UTC daily
+
+env:
+  REPOSITORY_OWNER: ${{ github.repository_owner }}
+  GHCR_REGISTRY: "ghcr.io"
+  GHCR_REGISTRY_USERNAME: ${{ github.actor }}
+  GHCR_REGISTRY_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+jobs:
+  build:
+    # prevent running on forks
+    if: github.repository_owner == 'restatedev'
+    runs-on: warp-ubuntu-latest-x64-16x # warpbuild runner
+    timeout-minutes: 250 
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log into GitHub container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.GHCR_REGISTRY }}
+          username: ${{ env.GHCR_REGISTRY_USERNAME }}
+          password: ${{ env.GHCR_REGISTRY_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build Typescript test-services image
+        id: build
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: "packages/restate-e2e-services/Dockerfile"
+          push: false
+          load: true
+          tags: localhost/restatedev/test-services:latest
+          cache-from: type=gha,scope=${{ github.workflow }}
+
+      - name: Run the verification test
+        env:
+          RESTATE_CONTAINER_IMAGE: 'ghcr.io/restatedev/restate:main'
+          SERVICES_CONTAINER_IMAGE: 'localhost/restatedev/test-services:latest'
+        run: ./scripts/run-verification.sh