chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/ci-axios.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Setup Node.js
         uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6