add tests for YAML 1.1 boolean values in local action metadata

Author: rhysd

testdata/projects/local_action_yaml_1.1_boolean.out

@@ -0,0 +1,17 @@
+name: 'My action'
+author: 'rhysd <https://rhysd.github.io>'
+description: 'This is test'
+
+inputs:
+  input1:
+    required: yes
+  input2:
+    required: on
+  input3:
+    required: no
+  input4:
+    required: off
+
+runs:
+  using: 'node20'
+  main: 'index.js'

testdata/projects/local_action_yaml_1.1_boolean/action/action.yaml

@@ -0,0 +1,10 @@
+on: push
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: ./action
+        with:
+          input1: foo
+          input2: bar