fix(deps): update kotest to v6.0.4 (#444)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 coroutines = "1.10.2"
-kotest = "6.0.3"
+kotest = "6.0.4"
 kotlin = "2.2.20"
 knit = "0.5.0"
 arrow = "2.2.0-beta.3"