patching recipe scanning workflows for permissions changes (#4579)

.github/workflows/validate-recipe-pr.yml

@@ -9,6 +9,7 @@ on:
 permissions:
   contents: read
   pull-requests: write
+  issues: write
 
 jobs:
   validate-recipe:
@@ -158,7 +159,7 @@ jobs:
                 
                 # Check if this is a new file or an update to existing file
                 # Get list of changed files in this PR compared to base branch
-                CHANGED_FILES=$(git diff --name-only origin/${{ github.event.pull_request.base.ref }}...HEAD | grep "^$RECIPE_FILE$" || true)
+                CHANGED_FILES=$(git diff --name-only --diff-filter=AM origin/${{ github.event.pull_request.base.ref }}...HEAD | grep "^$RECIPE_FILE$" || true)
                 EXISTING_FILES=$(find documentation/src/pages/recipes/data/recipes/ -name "$FILENAME.yaml" -o -name "$FILENAME.yml" | grep -v "^$RECIPE_FILE$" || true)
                 
                 if [ -n "$EXISTING_FILES" ] && [ -z "$CHANGED_FILES" ]; then