Bump codecov/codecov-action from 3 to 4 (#362)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/test.yml

@@ -40,4 +40,4 @@ jobs:
           fetch-depth: 2
       - run: go test -race -tags=all -coverprofile=coverage.txt -covermode=atomic ./...
       - name: Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4