chore(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](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]>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
 
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Rust setup (nightly) for docs
       uses: dtolnay/rust-toolchain@nightly
@@ -40,7 +40,7 @@ jobs:
 
         steps:
         - name: Checkout
-          uses: actions/checkout@v4
+          uses: actions/checkout@v5
 
         - name: Rust setup (stable)
           uses: dtolnay/rust-toolchain@stable

.github/workflows/msrv.yml

@@ -32,7 +32,7 @@ jobs:
     - uses: Swatinem/rust-cache@v2
 
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - run: cargo check
     - run: cargo test