Bump junit-jupiter-api from 5.6.2 to 5.7.0 in /core

Bumps [junit-jupiter-api](https://github.com/junit-team/junit5) from 5.6.2 to 5.7.0.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit-framework@r5.6.2...r5.7.0)

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

Author: dependabot-preview[bot]

core/build.gradle

@@ -2,7 +2,7 @@ ext.title = "MicroShed Testing Framework"
 description = "A test framework for black-box testing MicroProfile and JavaEE applications"
 
 dependencies {
-  compile 'org.junit.jupiter:junit-jupiter-api:5.6.2'
+  compile 'org.junit.jupiter:junit-jupiter-api:5.7.0'
   implementation group: 'cglib', name: 'cglib-nodep', version: '3.3.0'
   implementation group: 'org.apache.cxf', name: 'cxf-rt-rs-client', version: '3.4.0'
   implementation group: 'org.apache.cxf', name: 'cxf-rt-rs-extension-providers', version: '3.3.7'