use actions checkout v4

Author: Lucille Delisle

.github/workflows/pylint.yml

@@ -6,7 +6,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: mamba-org/setup-micromamba@main
       with:
         environment-file: ./HiCMatrix_env_ci.yml

.github/workflows/python-publish.yml

@@ -23,7 +23,7 @@ jobs:
       # IMPORTANT: this permission is mandatory for trusted publishing
       id-token: write
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v3
       with:

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
           - "3.9"
           - "3.10"
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Use python ${{ matrix.python-version }}
       run: echo -e "\n   - python = ${{ matrix.python-version }}" >> ./HiCMatrix_env_ci.yml
     - uses: mamba-org/setup-micromamba@main
@@ -43,7 +43,7 @@ jobs:
           - "3.9"
           - "3.10"
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Use python ${{ matrix.python-version }}
       run: echo -e "\n   - python = ${{ matrix.python-version }}" >> ./HiCMatrix_env_ci.yml
     - uses: mamba-org/setup-micromamba@main