feat(ci): tests external action

Test action from external repo.

n/a

.github/workflows/plugins-e2e-setup.yml

@@ -0,0 +1,15 @@
+on: [push]
+
+jobs:
+  hello_world_job:
+    runs-on: ubuntu-latest
+    name: A job to say hello
+    steps:
+      - name: Hello world action step
+        id: hello
+        uses: SoftwareAG/plugins-e2e-setup@main
+        with:
+          who-to-greet: 'Mona the Octocat'
+      # Use the output from the `hello` step
+      - name: Get the output time
+        run: echo "The time was ${{ steps.hello.outputs.time }}"