build(deps): bump actions/checkout from 4 to 5 (#482)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Callum Macpherson <[email protected]>

Author: dependabot[bot]

.github/workflows/check-docs-build.yml

@@ -13,7 +13,7 @@ jobs:
     name: check docs build
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         submodules: recursive
         fetch-depth: '0'

.github/workflows/spelling.yml

@@ -14,6 +14,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout Actions Repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Spell Check Repo
       uses: crate-ci/[email protected]