add github action to update ci image automatically (#307)

Signed-off-by: Xiangyu Wang <[email protected]>

.github/workflows/update-ci-image.yml

@@ -0,0 +1,29 @@
+name: Update Docker Image
+
+on:
+  push:
+    branches: [ "main" ]
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      -
+        name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          file: ./docker/Dockerfile.x86
+          push: true
+          tags: vsaglib/vsag:ci-x86