Update anthropics/claude-code-action digest to 8a1c437 (#273)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/claude.yml

@@ -33,7 +33,7 @@ jobs:
 
       - name: Run Claude Code
         id: claude
-        uses: anthropics/claude-code-action@f30f5eecfce2f34fa72e40fa5f7bcdbdcad12eb8 # v1
+        uses: anthropics/claude-code-action@8a1c4371755898f67cd97006ba7c97702d5fc4bf # v1
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           additional_permissions: |