Disable workflows on forks

ignore-downstream

.github/workflows/labeler.yml

@@ -8,5 +8,6 @@ jobs:
       contents: read
       pull-requests: write
     runs-on: ubuntu-latest
+    if: github.repository == 'Sonarr/Sonarr'
     steps:
       - uses: actions/labeler@v5

.github/workflows/lock.yml

@@ -8,6 +8,7 @@ on:
 jobs:
   lock:
     runs-on: ubuntu-latest
+    if: github.repository == 'Sonarr/Sonarr'
     steps:
       - uses: dessant/lock-threads@v5
         with: