Bump actions/checkout from 4 to 5 (#13)

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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -30,7 +30,7 @@ jobs:
             version: nightly
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Julia Setup
         uses: julia-actions/setup-julia@v2
         with:

.github/workflows/documenter.yml

@@ -16,7 +16,7 @@ jobs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/cache@v2
         with:
           cache-compiled: "true"

.github/workflows/spellcheck.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Actions Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Check spelling
         uses: crate-ci/typos@master
         with:

.github/workflows/style.yml

@@ -23,7 +23,7 @@ jobs:
         version: [1]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Julia Setup
         uses: julia-actions/setup-julia@v2
         with: