fix: update GitHub Actions to use latest versions

- Update actions/upload-artifact from v3 to v4
- Update actions/setup-python from v4 to v5
- Update actions/cache from v3 to v4
- Fixes deprecation warnings in CI/CD pipeline

.github/workflows/ci-cd.yml

@@ -38,12 +38,12 @@ jobs:
     - uses: actions/checkout@v4
     
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '3.10'
     
     - name: Cache pip dependencies
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('app/requirements.txt') }}

.github/workflows/code-quality.yml

@@ -14,7 +14,7 @@ jobs:
     - uses: actions/checkout@v4
     
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '3.10'
     
@@ -45,7 +45,7 @@ jobs:
         bandit -r app -f json -o bandit-report.json || true
     
     - name: Upload security report
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: always()
       with:
         name: bandit-security-report