build(deps): Bump org.junit.jupiter:junit-jupiter in /core

Bumps [org.junit.jupiter:junit-jupiter](https://github.com/junit-team/junit5) from 5.11.3 to 5.11.4.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.11.3...r5.11.4)

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

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

core/build.gradle

@@ -16,7 +16,7 @@ dependencies {
   implementation 'org.bitbucket.b_c:jose4j:0.9.6'
 
   //Unit testing
-  testImplementation 'org.junit.jupiter:junit-jupiter:5.11.3'
+  testImplementation 'org.junit.jupiter:junit-jupiter:5.11.4'
 }
 
 apply from: publishScript