Bump junit in /buildSrc/src/testKit/testingConventions (#2116)

Bumps [junit](https://github.com/junit-team/junit4) from 4.13.1 to 4.13.2.
- [Release notes](https://github.com/junit-team/junit4/releases)
- [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.13.1.md)
- [Commits](junit-team/junit4@r4.13.1...r4.13.2)

---
updated-dependencies:
- dependency-name: junit:junit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

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

buildSrc/src/testKit/testingConventions/build.gradle

@@ -21,7 +21,7 @@ allprojects {
     mavenCentral()
   }
   dependencies {
-    testImplementation "junit:junit:4.13.1"
+    testImplementation "junit:junit:4.13.2"
   }
 
   ext.licenseFile = file("$buildDir/dummy/license")