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/linters.yml

@@ -12,7 +12,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - uses: actions/setup-python@v4
               with:
                 python-version: '3.x'
@@ -23,7 +23,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - uses: actions/setup-python@v4
               with:
                 python-version: '3.x'

.github/workflows/release.yml

@@ -9,7 +9,7 @@ jobs:
         name: Build and release to PyPI
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - name: Set up Python
               uses: actions/setup-python@v4
               with:

.github/workflows/tests.yml

@@ -23,7 +23,7 @@ jobs:
                     - '3.11'
 
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - uses: actions/setup-python@v4
               with:
                 python-version: '3.x'
@@ -55,7 +55,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
 
             - name: Prepare Python
               uses: actions/setup-python@v4