adds permission for claude to make content write changes (#2925)

claude was failing when trying to make write changes to branches. this
commit gives claude the ability to be able to make commits

Signed-off-by: Chris Burns <29541485+ChrisJBurns@users.noreply.github.com>

Author: ChrisJBurns

.github/workflows/claude.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     permissions:
-      contents: read
+      contents: write
       pull-requests: read
       issues: read
       id-token: write