Bump actions/checkout from 2 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...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/linux.yml

@@ -12,7 +12,7 @@ jobs:
     container:
       image: centos:7
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: codespell-project/actions-codespell@master
       with:
         ignore_words_list: fo,wee
@@ -79,7 +79,7 @@ jobs:
     container:
       image: ubuntu:20.04
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Install dependencies
       run: |
         apt update
@@ -135,7 +135,7 @@ jobs:
       matrix:
         image: ['ubuntu:14.04', 'ubuntu:16.04', 'ubuntu:18.04']
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Install dependencies
       run: |
         apt update
@@ -151,7 +151,7 @@ jobs:
     name: Build Linux ARM64
     runs-on: [ubuntu-latest]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Build
       uses: uraimo/run-on-arch-action@v2

.github/workflows/macos.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: macos-12
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Install dependencies
       run: brew install re2c p7zip cmake

.github/workflows/windows.yml

@@ -20,7 +20,7 @@ jobs:
           suffix: 'arm64'
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Install dependencies
       run: choco install re2c