Bump junit-jupiter-api from 5.4.2 to 5.5.0 in /modules/junit-jupiter (#1578)

Author: dependabot-preview[bot]

modules/junit-jupiter/build.gradle

@@ -2,7 +2,7 @@ description = "Testcontainers :: JUnit Jupiter Extension"
 
 dependencies {
     compile project(':testcontainers')
-    compile 'org.junit.jupiter:junit-jupiter-api:5.4.2'
+    compile 'org.junit.jupiter:junit-jupiter-api:5.5.0'
 
     testCompile project(':mysql')
     testCompile project(':postgresql')