Upgrade codecov-action to v7 (#269)

Author: hduelme

.github/workflows/main.yml

@@ -33,7 +33,7 @@ jobs:
         run: ./gradlew --warning-mode=all jacocoTestReport
       - name: 'Upload coverage to Codecov'
         if: github.repository == 'mapstruct/mapstruct-idea' &&  matrix.version.idea  == '2025.1'
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v7
         with:
           fail_ci_if_error: true
           token: ${{ secrets.CODECOV_TOKEN }}