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/codeql.yml

@@ -16,7 +16,7 @@ jobs:
         language: [ 'python' ]
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2
       with:

.github/workflows/docker.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: build
         uses: docker/build-push-action@v4
         with:
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: login
         uses: docker/login-action@v2
         with:
@@ -44,7 +44,7 @@ jobs:
         with:
           strip_v: true
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: login
         uses: docker/login-action@v2
         with:

.github/workflows/main.yml

@@ -10,7 +10,7 @@ jobs:
       matrix:
         python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:

.github/workflows/package.yml

@@ -7,7 +7,7 @@ jobs:
   get-version:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - id: version
         run: |
           export VERSION=$(grep __version__ statmechcrack/__init__.py | cut -f2 -d '"')
@@ -17,7 +17,7 @@ jobs:
   pypi:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -44,7 +44,7 @@ jobs:
     needs: [get-version, pypi]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Prepare conda
         run: |
           rm -rf statmechcrack