chore: minor code update, testing workflow

.github/workflows/validate-examples.yml

@@ -13,8 +13,6 @@ jobs:
   validate-examples:
     name: Validate Spec Examples
     runs-on: ubuntu-latest
-    env: # Set the environment variable for the entire job
-      FILES_FOUND: ${{ steps.find_yaml.outputs.files }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
@@ -23,7 +21,9 @@ jobs:
         run: |
           files=$(find examples/ \( -path 'examples/social-media/*' -prune \) -o -type f \( -name "*.yml" -o -name "*.yaml" \))
           echo "FILES_FOUND=$files" >> $GITHUB_ENV
+        env: # Set the environment variable for the entire job
+          FILES_FOUND: ${{ steps.find_yaml.outputs.files }}
       - name: Validate AsyncAPI documents
         uses: asyncapi/[email protected]
         with:
-          custom_command: validate $FILES_FOUND
+          custom_command: validate ${{ env.FILES_FOUND }}