fix(ci): Fix coverage.yml - correct name field, upgrade checkout@v4, add permissions

Author: rigoryanych

.github/workflows/coverage.yml

@@ -1,4 +1,8 @@
-coverage.ymlname: Code Coverage
+name: Code Coverage
+
+permissions:
+  contents: read
+  checks: write
 
 on:
   pull_request:
@@ -10,20 +14,25 @@ jobs:
   coverage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      
+      - uses: actions/checkout@v4
+
       - uses: actions/setup-python@v4
         with:
           python-version: '3.11'
-      
+
       - name: Install dependencies
         run: |
+          python -m pip install --upgrade pip
           pip install pytest pytest-cov
-          pip install -r requirements.txt 2>/dev/null || true
-      
-      - name: Run tests with coverage
+          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+
+      - name: Run coverage
         run: |
-          pytest tests/ --cov=. --cov-report=xml --cov-report=term || true
-      
+          pytest --cov=. --cov-report=xml --cov-report=term-missing || true
+
       - name: Upload coverage report
-        run: echo "Coverage report generated - check Actions artifacts"
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-report
+          path: coverage.xml
+          if-no-files-found: warn