Fix: Comprehensive CI/CD Pipeline and Code Quality Overhaul

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
         python-version: '3.9'
 
     - name: Cache pip dependencies
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
@@ -68,7 +68,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
 
     - name: Cache pip dependencies
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-${{ matrix.python-version }}-pip-${{ hashFiles('**/requirements.txt') }}
@@ -98,7 +98,7 @@ jobs:
 
     - name: Upload coverage to Codecov
       if: matrix.python-version == '3.9'
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         file: ./coverage.xml
         flags: unittests
@@ -174,7 +174,7 @@ jobs:
         make html
 
     - name: Upload documentation artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: documentation
         path: docs/_build/html/
@@ -241,7 +241,7 @@ jobs:
         twine check dist/*
 
     - name: Upload package artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: dist-packages
         path: dist/
@@ -259,7 +259,7 @@ jobs:
         fetch-depth: 0
 
     - name: Download package artifacts
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: dist-packages
         path: dist/