Update .github/workflows/ci.yml

Author: smockle

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e
         with:
           node-version: 26