Merge pull request #4 from pegasystems/feature/github-actions

Add checkout step to shell-check action

.github/workflows/shell-check.yml

@@ -2,6 +2,7 @@
 name: Run Shell Check
 
 on:
+  workflow_dispatch:
   push:
     branches: [ master ]
   pull_request:
@@ -14,6 +15,8 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
+    - name: Checkout
+      uses: actions/checkout@v4
     - name: Shellcheck scripts
       run: |
         scversion="stable"