test: add manual smoke-test workflow for the composite action

Author: ptsouchlos

.github/workflows/test_action.yml

@@ -0,0 +1,20 @@
+name: Test Action
+
+on:
+  workflow_dispatch:
+
+jobs:
+  smoke-test:
+    name: Run action (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, ubuntu-24.04-arm, macos-13, macos-latest, windows-latest]
+    steps:
+      - uses: actions/checkout@v7
+      - name: Run embd action
+        uses: ./
+        with:
+          version: v0.1.0
+          args: status