build(deps): bump junitVersion from 1.1.5 to 1.2.1

Bumps `junitVersion` from 1.1.5 to 1.2.1.

Updates `androidx.test.ext:junit` from 1.1.5 to 1.2.1

Updates `androidx.test.ext:junit-ktx` from 1.1.5 to 1.2.1

---
updated-dependencies:
- dependency-name: androidx.test.ext:junit
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: androidx.test.ext:junit-ktx
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

gradle/libs.versions.toml

@@ -37,7 +37,7 @@ turbine = "1.1.0"
 jupiter_version = "5.10.3"
 joda = "2.12.7"
 junit = "4.13.2"
-junitVersion = "1.1.5"
+junitVersion = "1.2.1"
 kotlinReflect = "2.0.0"
 material = "1.12.0"
 kotlin = "2.0.0"