Bump actions/checkout from 3 to 4

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>

.github/workflows/ci-clippy.yml

@@ -15,6 +15,6 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Run clippy
       run: cargo clippy --all-features -- -D clippy::all

.github/workflows/ci-fmt.yml

@@ -15,6 +15,6 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Run rustfmt
       run: cargo fmt --check

.github/workflows/ci-linux.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Test [no features]
       run: cargo test --verbose

.github/workflows/ci-typos.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Install typos
       run: cargo install typos-cli

.github/workflows/ci-wasm.yml

@@ -19,6 +19,6 @@ jobs:
           - wasm32-wasi
           - wasm32-unknown-unknown
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: rustup target add ${{ matrix.target }}
     - run: cargo build --verbose --target ${{ matrix.target }} --features full-wasm