feat!: port mutexbot actions to rust and add isolation channels

.github/workflows/mutexbot.yml

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+name: MutexBot Container Image
+
+on:
+  pull_request:
+    branches:
+      - main
+    paths:
+      - "mutexbot/**"
+  push:
+    branches:
+      - main
+    paths:
+      - "mutexbot/**"
+    tags:
+      - "mutexbot-v*.*.*"
+
+permissions:
+  contents: read
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Fetch mutexbot folder
+        uses: actions/checkout@v4
+        with:
+          sparse-checkout: mutexbot
+
+      - name: Docker Meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: neondatabase/dev-actions
+          tags: |
+            # branch event
+            type=ref,enable=true,priority=600,prefix=mutexbot-,suffix=,event=branch
+            # pull request event
+            type=ref,enable=true,priority=600,prefix=mutexbot-pr-,suffix=,event=pr
+            # tags event
+            type=match,pattern=mutexbot-v(.*)
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.NEON_DOCKERHUB_USERNAME }}
+          password: ${{ secrets.NEON_DOCKERHUB_PASSWORD }}
+
+      - name: Build and publish
+        uses: docker/build-push-action@v6
+        with:
+          context: mutexbot
+          platforms: linux/amd64, linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

mutexbot/.gitignore

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+/target