Bump actions/checkout from 4.1.7 to 4.2.1 (ahmetb#95)

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.1
         with:
           fetch-depth: 0