build(deps): 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](https://github.com/actions/checkout/compare/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>

.github/workflows/run-tests.yml

@@ -9,7 +9,7 @@ jobs:
   test-on-ubuntu:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: lukka/get-cmake@latest
         with:
           cmakeVersion: "~3.25.0"
@@ -36,7 +36,7 @@ jobs:
   test-on-windows:
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: lukka/get-cmake@latest
         with:
           cmakeVersion: "~3.25.0"
@@ -54,7 +54,7 @@ jobs:
   test-on-osx:
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: lukka/get-cmake@latest
         with:
           cmakeVersion: "~3.25.0"