Bump junit-jupiter-api from 5.6.2 to 5.7.0

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[bot] <support@github.com>

Author: dependabot[bot]

build.gradle

@@ -111,6 +111,6 @@ dependencies {
     compile 'org.agrona:agrona:1.6.0'
 
     testCompile 'com.google.truth:truth:0.42'
-    testCompile 'org.junit.jupiter:junit-jupiter-api:5.6.2'
+    testCompile 'org.junit.jupiter:junit-jupiter-api:5.7.0'
     testCompile 'org.junit.jupiter:junit-jupiter-engine:5.6.2'
 }