Bump codecov/codecov-action from 5.3.1 to 5.4.0

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 5.3.1 to 5.4.0.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v5.3.1...v5.4.0)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/go.yml

@@ -102,4 +102,4 @@ jobs:
         run: go test -coverprofile=cover.out -coverpkg=./... ./... && go tool cover -html=cover.out -o cover.html && true
 
       - name: Upload coverage to codecov.io
-        uses: codecov/codecov-action@v5.3.1
+        uses: codecov/codecov-action@v5.4.0