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

Author: renovate[bot]

.github/workflows/dry-publish.yml

@@ -31,7 +31,7 @@ jobs:
         with:
           wait: 60
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-node@v4
         with:

.github/workflows/publish-engines.yml

@@ -24,7 +24,7 @@ jobs:
         with:
           wait: 60
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           token: ${{ secrets.BOT_TOKEN_ENGINES_WRAPPER_CI }}