update to use latest series tag

Author: mmcky

.github/workflows/style-guide.yml

@@ -12,7 +12,7 @@ jobs:
       pull-requests: write
       issues: read
     steps:
-      - uses: QuantEcon/action-style-guide@v0.1.0
+      - uses: QuantEcon/action-style-guide@v0.1
         with:
           mode: 'single'
           anthropic-api-key: ${{ secrets.ANTHROPIC_API_KEY }}