deps: bump org.junit:junit-bom in /telemetry/jetbrains

Bumps [org.junit:junit-bom](https://github.com/junit-team/junit5) from 5.11.3 to 5.12.1.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit-framework@r5.11.3...r5.12.1)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

telemetry/jetbrains/gradle/libs.versions.toml

@@ -4,7 +4,7 @@ jackson = "2.17.2"
 jlleitschuh-ktlint = "12.1.1"
 # deprecated; should move to json-skema
 jsonSchema = "1.14.4"
-junit5 = "5.11.3"
+junit5 = "5.12.1"
 kotlin = "2.0.20"
 kotlin-poet = "2.0.0"
 nexus = "2.0.0"