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] <[email protected]>

.github/workflows/everything.yml

@@ -9,7 +9,7 @@ jobs:
  runs-on: ubuntu-latest
  steps:
  - name: Checkout Project
- uses: actions/checkout@v3
+ uses: actions/checkout@v4
 
  - name: Setup Rust
  uses: dtolnay/rust-toolchain@nightly
@@ -27,7 +27,7 @@ jobs:
  runs-on: ubuntu-latest
  steps:
  - name: Checkout Project
- uses: actions/checkout@v3
+ uses: actions/checkout@v4
 
  - name: Setup Rust
  uses: dtolnay/rust-toolchain@stable
@@ -47,7 +47,7 @@ jobs:
  runs-on: ubuntu-latest
  steps:
  - name: Checkout Project
- uses: actions/checkout@v3
+ uses: actions/checkout@v4
 
  - name: Setup Rust
  uses: dtolnay/rust-toolchain@stable
@@ -67,7 +67,7 @@ jobs:
  runs-on: ubuntu-latest
  steps:
  - name: Checkout Project
- uses: actions/checkout@v3
+ uses: actions/checkout@v4
 
  - name: Setup Rust
  uses: dtolnay/[email protected]
@@ -91,7 +91,7 @@ jobs:
  runs-on: ubuntu-latest
  steps:
  - name: Checkout Project
- uses: actions/checkout@v3
+ uses: actions/checkout@v4
 
  - name: Setup Rust
  uses: dtolnay/rust-toolchain@stable
@@ -132,7 +132,7 @@ jobs:
  if: github.event_name == 'push' && (github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/'))
  steps:
  - name: Checkout Project
- uses: actions/checkout@v3
+ uses: actions/checkout@v4
  with:
  fetch-depth: 0