chore(deps): update codecov/codecov-action action to v6

Author: renovate[bot]

.github/workflows/build.yml

@@ -58,7 +58,7 @@ jobs:
           go test -parallel 20 -v -race -coverprofile=coverage.txt -covermode=atomic ./...
 
       - name: Codecov
-        uses: codecov/codecov-action@v5.5.4
+        uses: codecov/codecov-action@v6.0.0
         with:
           fail_ci_if_error: true # optional (default = false)
         env: