Update pr-linter-exemption-labeler.yml

Author: TheRealAmazonKendra

.github/workflows/pr-linter-exemption-labeler.yml

@@ -16,4 +16,4 @@ jobs:
     steps:
       - uses: TheRealAmazonKendra/pr-linter-exemption-labeler@branch-for-pr-review
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
+          github-token: ${{ secrets.PROJEN_GITHUB_TOKEN }}