Workflow: Updating exempt authors list

Author: malachi-constant

.github/workflows/minimum-response-time.yml

@@ -14,6 +14,6 @@ jobs:
         with:
           exempt_user_list: "github-actions[bot]"
           exempt_labels: "help wanted"
-          exempt_authors: "malachi-constant,jaidisido,kukushking,cnfait,dependabot[bot]"
+          exempt_authors: "malachi-constant,jaidisido,kukushking,LeonLuttenberger,cnfait,dependabot[bot]"
           token: ${{secrets.GITHUB_TOKEN}}
           label: needs-triage