Update fetch-depth in CLAUDE Docs Drafter workflow

Change fetch-depth to 0 for full history checkout.

Author: adamfri

.github/workflows/claude-docs-drafter.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
         with:
-          fetch-depth: 2
+          fetch-depth: 0
 
       - name: Run Claude Docs Drafter
         timeout-minutes: 10