Update dependency org.junit:junit-bom to v6.0.0

Author: renovate[bot]

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ ben-manes-versions = '0.53.0'
 jgitver = '0.10.0-rc03'
 
 jspecify = '1.0.0'
-junit = '6.0.0-RC3'
+junit = '6.0.0'
 assertj = '4.0.0-M1'
 
 io-micronaut = '4.5.5'