Bump kotest from 6.0.3 to 6.0.4

Bumps `kotest` from 6.0.3 to 6.0.4.

Updates `io.kotest:kotest-assertions-core` from 6.0.3 to 6.0.4
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@6.0.3...6.0.4)

Updates `io.kotest:kotest-assertions-json` from 6.0.3 to 6.0.4
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@6.0.3...6.0.4)

---
updated-dependencies:
- dependency-name: io.kotest:kotest-assertions-core
  dependency-version: 6.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: io.kotest:kotest-assertions-json
  dependency-version: 6.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -17,7 +17,7 @@ kotlinx-io = "0.8.0"
 ktor = "3.3.0"
 logging = "7.0.13"
 slf4j = "2.0.17"
-kotest = "6.0.3"
+kotest = "6.0.4"
 awaitility = "4.3.0"
 mokksy = "0.6.1"