add tests for checking invalid action.yml

Author: rhysd

testdata/projects/local_action_invalid.out

@@ -0,0 +1,2 @@
+/workflows/test\.yaml:7:15: name is required in action metadata "testdata(\\\\|/)projects(\\\\|/)local_action_invalid(\\\\|/)no_name(\\\\|/)action\.yaml" \[action\]/
+/workflows/test\.yaml:8:15: description is required in action metadata "testdata(\\\\|/)projects(\\\\|/)local_action_invalid(\\\\|/)no_desc(\\\\|/)action\.yaml" \[action\]/

testdata/projects/local_action_invalid/no_desc/action.yaml

@@ -0,0 +1,6 @@
+name: 'My action'
+author: 'rhysd <https://rhysd.github.io>'
+
+runs:
+  using: 'node20'
+  main: 'index.js'

testdata/projects/local_action_invalid/no_desc/index.js

@@ -0,0 +1,6 @@
+author: 'rhysd <https://rhysd.github.io>'
+description: 'my action'
+
+runs:
+  using: 'node20'
+  main: 'index.js'

testdata/projects/local_action_invalid/no_name/action.yaml

@@ -0,0 +1,8 @@
+on: push
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: ./no_name
+      - uses: ./no_desc