chore: bump org.junit.platform:junit-platform-launcher (#894)

Bumps [org.junit.platform:junit-platform-launcher](https://github.com/junit-team/junit-framework) from 6.1.2 to 6.1.3.
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](https://github.com/junit-team/junit-framework/compare/r6.1.2...r6.1.3)

---
updated-dependencies:
- dependency-name: org.junit.platform:junit-platform-launcher
  dependency-version: 6.1.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ androidxTestEspresso = "3.7.0"
 coroutines = "1.11.0"
 junit = "4.13.2"
 junit5 = "6.1.3"
-junitPlatform = "6.1.2"
+junitPlatform = "6.1.3"
 kotlin = "2.4.10"
 # standalone per KSP 2.0+ guidance — NOT kotlinVersion-kspVersion; easy
 # to miss during Kotlin upgrades since it no longer tracks the Kotlin version.