deps: update anthropics/claude-code-action digest to 2f8ba26

Author: renovate[bot]

.github/workflows/document-review.yml

@@ -19,7 +19,7 @@ jobs:
         with:
           fetch-depth: 0
 
-      - uses: anthropics/claude-code-action@c22f7c3f9dbdf2faa98a4c3139f7ec9eb5a691dc # v1
+      - uses: anthropics/claude-code-action@2f8ba26a219c06cfb0f468eef8d97055fa814f97 # v1
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           prompt: |