Bump kotest from 5.9.1 to 6.0.0

Bumps `kotest` from 5.9.1 to 6.0.0.

Updates `io.kotest:kotest-assertions-core` from 5.9.1 to 6.0.0
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@v5.9.1...6.0.0)

Updates `io.kotest:kotest-assertions-json` from 5.9.1 to 6.0.0
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@v5.9.1...6.0.0)

Updates `io.kotest:kotest-extensions` from 5.9.1 to 6.0.0
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@v5.9.1...6.0.0)

Updates `io.kotest:kotest-runner-junit5` from 5.9.1 to 6.0.0
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@v5.9.1...6.0.0)

Updates `io.kotest:kotest-property-jvm` from 5.9.1 to 6.0.0
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@v5.9.1...6.0.0)

---
updated-dependencies:
- dependency-name: io.kotest:kotest-assertions-core
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: io.kotest:kotest-assertions-json
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: io.kotest:kotest-extensions
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: io.kotest:kotest-runner-junit5
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: io.kotest:kotest-property-jvm
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -18,7 +18,7 @@ shadowjar = "9.0.1"
 # test dependencies
 guava = "33.4.8-jre"
 jupiter = "5.13.4"
-kotest = "5.9.1"
+kotest = "6.0.0"
 logback = "1.5.18"
 mockk = "1.14.5"