ci(jscpd): show hint message on detection of clones aws#6737

## Problem
There appears to be cases where the fix pushed here fails:
aws#6572.
ex: aws#6735
## Solution
- re-add the hint message for the case described here:
aws#6564

Author: Hweinstock

.github/workflows/filterDuplicates.js

@@ -111,6 +111,9 @@ async function run() {
     console.log('%s duplicates found', filteredDuplicates.length)
     if (filteredDuplicates.length > 0) {
         console.log(formatDuplicates(filteredDuplicates, commitHash, repoName))
+        console.log(
+            '* Hint: if these duplicates appear unrelated to the changes, rebase onto or merge in the latest target branch.'
+        )
         process.exit(1)
     }
 }