ci lint: fix a typo

Author: kou

.github/workflows/lint.yaml

@@ -23,5 +23,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: ruby/setup-python@v6
+      - uses: actions/setup-python@v6
       - uses: pre-commit/[email protected]