Bump dessant/lock-threads from 2.0.3 to 3 (#97821)

Author: dependabot[bot]

.github/workflows/lock.yaml

@@ -18,13 +18,13 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.repository == 'flutter/flutter' }}
     steps:
-      - uses: dessant/lock-threads@486f7380c15596f92b724e4260e4981c68d6bde6
+      - uses: dessant/lock-threads@e460dfeb36e731f3aeb214be6b0c9a9d9a67eda6
         with:
           process-only: 'issues'
           github-token: ${{ github.token }}
           # Number of days of inactivity before a closed issue is locked.
-          issue-lock-inactive-days: '14'
-          issue-lock-comment: >
+          issue-inactive-days: '14'
+          issue-comment: >
             This thread has been automatically locked since there has not been
             any recent activity after it was closed. If you are still experiencing a
             similar issue, please open a new bug, including the output of