chore(ci)(deps): bump actions/checkout from 3 to 4 (#33)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  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>

.github/workflows/checks.yaml

@@ -18,7 +18,7 @@ jobs:
           - nightly
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Smarter caching action, speeds up build times compared to regular cache:
       # https://github.com/Swatinem/rust-cache
@@ -72,7 +72,7 @@ jobs:
           - nightly
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Cache Project
         uses: Swatinem/rust-cache@v2

.github/workflows/coverage.yaml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Rust Toolchain
         uses: actions-rs/toolchain@v1

.github/workflows/release.yml

@@ -51,7 +51,7 @@ jobs:
 
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Cache Project
         uses: Swatinem/rust-cache@v2