chore(deps-gha): bump actions/checkout from 5 to 6 (#263)

Author: dependabot[bot]

.github/workflows/check-typescript-projects.yml

@@ -26,7 +26,7 @@ jobs:
   build_maxgraph_dev_package:
     runs-on: ubuntu-22.04
     steps:
-     - uses: actions/checkout@v5
+     - uses: actions/checkout@v6
        with:
          repository: 'maxGraph/maxGraph'
      - name: Setup node
@@ -70,7 +70,7 @@ jobs:
         with:
           name: maxgraph-npm-package
           path: ${{github.workspace}}/../maxgraph-npm-package
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Setup node
         uses: actions/setup-node@v6
         with: