Bump junitVersion from 5.13.3 to 5.13.4 (#43)

Bumps `junitVersion` from 5.13.3 to 5.13.4.

Updates `org.junit.jupiter:junit-jupiter-api` from 5.13.3 to 5.13.4
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.3...r5.13.4)

Updates `org.junit.jupiter:junit-jupiter-engine` from 5.13.3 to 5.13.4
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.3...r5.13.4)

---
updated-dependencies:
- dependency-name: org.junit.jupiter:junit-jupiter-api
  dependency-version: 5.13.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.junit.jupiter:junit-jupiter-engine
  dependency-version: 5.13.4
  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>

Author: dependabot[bot]

build.gradle

@@ -14,7 +14,7 @@ repositories {
 }
 
 ext {
-    junitVersion = '5.13.3'
+    junitVersion = '5.13.4'
 }
 
 sourceCompatibility = '21'