chore: add stable build action

.github/workflows/build-and-push-stable-image.yml

+name: build-and-push-stable-image
+
+on:
+  push:
+    branches:
+      - "stable"
+
+jobs:
+  build-and-push-release-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: neosmemo
+          password: ${{ secrets.DOCKER_NEOSMEMO_TOKEN }}
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ github.token }}
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          install: true
+          version: v0.9.1
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            neosmemo/memos
+            ghcr.io/usememos/memos
+          tags: |
+            type=raw,value=stable
+
+      - name: Build and Push
+        id: docker_build
+        uses: docker/build-push-action@v5
+        with:
+          context: ./
+          file: ./Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}