Bump actions/checkout from 4 to 5

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>

Author: dependabot[bot]

.github/workflows/build-publish.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-22.04  # Provides system Python 3.10
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       # We use Python 3.10 here because it's the minimum Python version supported by this library.
       - name: setup Python v3.10 with uv

.github/workflows/lint-test.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-22.04  # Provides system Python 3.10
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: setup Python v3.10 with uv
         uses: astral-sh/setup-uv@v6
@@ -30,7 +30,7 @@ jobs:
 
     steps:
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: setup Python v3.10 with uv
       uses: astral-sh/setup-uv@v6
@@ -54,7 +54,7 @@ jobs:
     steps:
 
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: setup Python v3.10 with uv
       uses: astral-sh/setup-uv@v6