build(deps): bump actions/checkout from 6 to 7

themes/tsuki/.github/workflows/pages.yml

@@ -23,7 +23,7 @@ jobs:
         # Floor (theme.toml min_version) + current pinned. Deploy artifact is uploaded only from the current version.
         hugo: ["0.146.0", "0.154.0"]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           submodules: recursive
           fetch-depth: 0