fix: renaming input

Author: nhussein11

.github/workflows/check-pr-labels.yml

@@ -7,4 +7,4 @@ jobs:
   check-docs-links:
     uses: papermoonio/workflows/.github/workflows/pr-blocked-label.yml@main
     with: 
-      blocking_labels: "B1 - Ready to Merge"
+      whitelist_labels: "B1 - Ready to Merge"