Update codecov/codecov-action action to v7

Author: renovate[bot]

.github/workflows/build.yml

@@ -112,7 +112,7 @@ jobs:
       - name: Run Unit Tests
         run: ./gradlew test verifyPaparazzi koverXmlReportDebug koverXmlReportProductionDebug --max-workers 1 --scan
       - name: Codecov
-        uses: codecov/codecov-action@v6
+        uses: codecov/codecov-action@v7
         with:
           fail_ci_if_error: true
           token: ${{ secrets.CODECOV_TOKEN }}