chore(layers): add dummy v2 layer automation

Author: rubenfonseca

.github/workflows/publish_v2_layer.yml

@@ -0,0 +1,19 @@
+name: Deploy v2 layer to all regions
+
+permissions:
+  id-token: write
+  contents: read
+
+on:
+  workflow_dispatch:
+    inputs:
+      latest_published_version:
+        description: "Latest PyPi published version to rebuild latest docs for, e.g. v1.22.0"
+        required: true
+
+jobs:
+  dummy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Hello world
+        run: echo "hello world"