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

Author: renovate-bot

.github/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
         os: [windows-latest, ubuntu-latest, macos-latest]
     steps:
       - name: Get the sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0