ci: add workflow to deploy to dev channels (requires actions secrets config) (#815)

- uses DEPLOY_REGISTRY, DEPLOY_REGISTRY_PATH, DEPLOY_REGISTRY_API_TOKEN
secrets

.github/workflows/deploy-dev-channel.yaml

@@ -0,0 +1,41 @@
+name: "*** Deploy Crawler to Dev Channel ***"
+
+on:
+  workflow_dispatch:
+    inputs:
+      channel:
+        description: Crawler Channel
+        type: choice
+        required: true
+        default: dev
+        options: 
+          - dev
+          - dev-2
+
+jobs:
+  build_do_images:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+        with:
+          driver-opts: network=host
+
+      - name: Login to Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ secrets.DEPLOY_REGISTRY }}
+          username: ${{ secrets.DEPLOY_REGISTRY_API_TOKEN }}
+          password: ${{ secrets.DEPLOY_REGISTRY_API_TOKEN }}
+
+      - name: Build Image
+        uses: docker/build-push-action@v3
+        with:
+          context: crawler
+          push: true
+          tags: ${{ secrets.DEPLOY_REGISTRY_PATH }}/webrecorder/browsertrix-crawler:${{ github.event.inputs.channel }}
+          cache-from: type=gha,scope=backend
+          cache-to: type=gha,scope=backend,mode=max