chore(deps): update codecov/codecov-action action to v5

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -37,7 +37,7 @@ jobs:
         run: go test -v -race -coverprofile=coverage.out -covermode=atomic ./...
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           files: ./coverage.out
           flags: unittests