add example file illustrating local-action

.forgejo/workflows/integration.yml

@@ -10,7 +10,7 @@ jobs:
           ./forgejo.sh setup root admin1234 codeberg.org/forgejo/forgejo 1.19
           ./forgejo-runner.sh setup
           export FORGEJO_RUNNER_LOGS=forgejo-runner.log
-          for example in echo container expression ; do
+          for example in echo container expression local-action ; do
             echo "============================ example-$example ==================="
             ./forgejo-test-helper.sh run_workflow testdata/example-$example http://root:admin1234@$(cat forgejo-ip):3000 root example-$example setup-forgejo $(cat forgejo-token)
           done

testdata/example-local-action/.forgejo/local-action/action.yml

@@ -0,0 +1,16 @@
+inputs:
+  input-one:
+    default: 'one'
+    description: 'description one'
+  input-two-required:
+    description: 'description two'
+    required: true
+outputs:
+  key:
+    description: 'output value'
+    value: "${{ steps.one.outputs.key }}"
+
+runs:
+  using: "composite"
+  steps:
+    - run: echo key=${{ inputs.input-two-required }} >> $GITHUB_OUTPUT

testdata/example-local-action/.forgejo/workflows/test.yml

@@ -0,0 +1,11 @@
+on: [push]
+jobs:
+  ls:
+    runs-on: docker
+    steps:
+      - uses: actions/checkout@v3
+      - id: local-action
+        uses: ./.forgejo/local-action
+        with:
+          input-two-required: "two"
+      - run: test "${{ steps.local-action.outputs.key }}" = "two"