Bump the dependencies group with 2 updates

Bumps the dependencies group with 2 updates: [org.junit:junit-bom](https://github.com/junit-team/junit-framework) and [io.mockk:mockk](https://github.com/mockk/mockk).


Updates `org.junit:junit-bom` from 5.13.4 to 6.0.0
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.4...r6.0.0)

Updates `io.mockk:mockk` from 1.14.5 to 1.14.6
- [Release notes](https://github.com/mockk/mockk/releases)
- [Commits](mockk/mockk@1.14.5...1.14.6)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
- dependency-name: io.mockk:mockk
  dependency-version: 1.14.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -3,7 +3,7 @@ kotlin = "2.1.21" # Mainly for CI, it can be rewritten by environment variable.
 jackson = "2.20.0"
 
 # test libs
-junit = "5.13.4"
+junit = "6.0.0"
 
 [libraries]
 kotlin-stdlib = { module = "org.jetbrains.kotlin:kotlin-stdlib" }
@@ -16,7 +16,7 @@ jackson-annotations = { module = "com.fasterxml.jackson.core:jackson-annotations
 # test libs
 kotlin-reflect = { module = "org.jetbrains.kotlin:kotlin-reflect" }
 junit-bom = { module = "org.junit:junit-bom", version.ref = "junit" }
-mockk = "io.mockk:mockk:1.14.5"
+mockk = "io.mockk:mockk:1.14.6"
 jackson-xml = { module = "com.fasterxml.jackson.dataformat:jackson-dataformat-xml" }
 jackson-csv = { module = "com.fasterxml.jackson.dataformat:jackson-dataformat-csv" }
 jackson-jsr310 = { module = "com.fasterxml.jackson.datatype:jackson-datatype-jsr310" }