Bump actions/checkout from 4 to 5 (#145)

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/checks.yml

@@ -13,7 +13,7 @@ jobs:
     name: "Check & Clippy"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Cache cargo registry
         uses: actions/cache@v4
@@ -48,7 +48,7 @@ jobs:
     name: "Rustdoc"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Cache cargo registry
         uses: actions/cache@v4
@@ -96,7 +96,7 @@ jobs:
     runs-on: ubuntu-latest
     name: "Formatting"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: actions-rs/toolchain@v1
         with:
@@ -114,7 +114,7 @@ jobs:
     runs-on: ubuntu-latest
     name: "Cargo Semver Checks"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: obi1kenobi/cargo-semver-checks-action@v2
         with:
           # exclude the binary package from semver checks, since it is not published as a crate.
@@ -125,7 +125,7 @@ jobs:
     name: "mdBook Documentation"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v2

.github/workflows/publish-docs.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v2

.github/workflows/rust-tests.yml

@@ -39,7 +39,7 @@ jobs:
           --health-retries 5
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Cache cargo registry
         uses: actions/cache@v4

.github/workflows/security.yml

@@ -14,7 +14,7 @@ jobs:
     permissions: write-all
     name: "Audit Rust Dependencies"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: rustsec/audit-check@v2.0.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}