fix: Update GitHub Actions to latest versions

- Update actions/upload-artifact from v3 to v4 (fixes deprecation warning)
- Update actions/setup-python from v4 to v5 (latest stable)
- Update codecov/codecov-action from v3 to v4
- Ensures compatibility and removes all deprecation warnings

Author: Neiland85

.github/workflows/ci-cd.yml

@@ -17,7 +17,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '3.11'
 
@@ -31,7 +31,7 @@ jobs:
         python -m pytest --cov=app --cov-report=xml --cov-report=html
     
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       if: always()
       with:
         files: ./coverage.xml
@@ -42,7 +42,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '3.11'
 
@@ -66,7 +66,7 @@ jobs:
         echo "Safety scan completed - check safety-report.json for details"
     
     - name: Upload security reports as artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: always()
       with:
         name: security-reports
@@ -84,7 +84,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '3.11'