⬆️ 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/CI-models.yml

@@ -25,7 +25,7 @@ jobs:
         python-version: [ "3.8", "3.9", "3.10", "3.11"]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
         with:
@@ -48,7 +48,7 @@ jobs:
 #        python-version: ["3.7"]
 #
 #    steps:
-#    - uses: actions/checkout@v2
+#    - uses: actions/checkout@v4
 #    - name: Set up Python ${{ matrix.python-version }}
 #      uses: actions/setup-python@v2
 #      with:
@@ -72,7 +72,7 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
@@ -95,7 +95,7 @@ jobs:
 #        python-version: [ "3.7" ]
 #
 #    steps:
-#      - uses: actions/checkout@v2
+#      - uses: actions/checkout@v4
 #      - name: Set up Python ${{ matrix.python-version }}
 #        uses: actions/setup-python@v2
 #        with:
@@ -120,7 +120,7 @@ jobs:
         python-version: ["3.9", "3.10", "3.11"]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
@@ -145,7 +145,7 @@ jobs:
 #        python-version: ["3.7"]
 #
 #    steps:
-#    - uses: actions/checkout@v2
+#    - uses: actions/checkout@v4
 #    - name: Set up Python ${{ matrix.python-version }}
 #      uses: actions/setup-python@v2
 #      with:

.github/workflows/CI.yml

@@ -27,7 +27,7 @@ jobs:
         python-version: [ "3.8", "3.9", "3.10", "3.11"]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
         with:
@@ -59,7 +59,7 @@ jobs:
 #        python-version: ["3.7"]
 #
 #    steps:
-#    - uses: actions/checkout@v2
+#    - uses: actions/checkout@v4
 #    - name: Set up Python ${{ matrix.python-version }}
 #      uses: actions/setup-python@v2
 #      with:
@@ -93,7 +93,7 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
@@ -124,7 +124,7 @@ jobs:
 #        python-version: [ "3.7" ]
 #
 #    steps:
-#      - uses: actions/checkout@v2
+#      - uses: actions/checkout@v4
 #      - name: Set up Python ${{ matrix.python-version }}
 #        uses: actions/setup-python@v2
 #        with:
@@ -159,7 +159,7 @@ jobs:
 #        python-version: ["3.8", "3.9", "3.10", "3.11"]
 #
 #    steps:
-#    - uses: actions/checkout@v2
+#    - uses: actions/checkout@v4
 #    - name: Set up Python ${{ matrix.python-version }}
 #      uses: actions/setup-python@v2
 #      with:
@@ -195,7 +195,7 @@ jobs:
 #        python-version: ["3.7"]
 #
 #    steps:
-#    - uses: actions/checkout@v2
+#    - uses: actions/checkout@v4
 #    - name: Set up Python ${{ matrix.python-version }}
 #      uses: actions/setup-python@v2
 #      with:

.github/workflows/Publish.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - run: python setup.py bdist_wheel

.github/workflows/docs.yml

@@ -17,7 +17,7 @@ jobs:
       labels: self-hosted
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: conda-incubator/setup-miniconda@v2
         with:
           auto-update-conda: true