Run integration test with GH actions

.github/workflows/integration.yaml

@@ -0,0 +1,16 @@
+name: Integration Test
+
+on: [push]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup Go
+        uses: actions/setup-go@v5
+      - name: Run integration test
+        working-directory: integration
+        run: go test -run ^TestCTIntegration$ -v