chore: update codecov/codecov-action action to v5.4.0 (#46)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -59,7 +59,7 @@ jobs:
         run: |
           go test -v -gcflags=all=-l -cover ./... -coverprofile coverage.out -coverpkg ./...
       - name: Upload code coverage report
-        uses: codecov/codecov-action@13ce06bfc6bbe3ecf90edbbf1bc32fe5978ca1d3 # v5.3.1
+        uses: codecov/codecov-action@0565863a31f2c772f9f0395002a31e3f06189574 # v5.4.0
         with:
           files: coverage.out
           verbose: true