build(deps): bump actions/checkout from 4 to 6 (#945)

dependabot[bot]

24.59.2026 5d40ea3fe961f99dbc45bb461acfd13a00b65af8

 .github/workflows/quickstart.yml

@@ -19,7 +19,7 @@

    steps:
      - name: Check out repository
        uses: actions/checkout@v4
        uses: actions/checkout@v6
        with:
          submodules: false