Update actions/checkout digest to 93cb6ef

Author: renovate[bot]

.github/workflows/nodejs.yml

@@ -11,7 +11,7 @@ jobs:
         node-version: [12.x]
 
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
 
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v6