Merge pull request #1433 from contiki-ng/dependabot/gradle/master/org…

….junit.jupiter-junit-jupiter-api-5.10.3

Build(deps): bump org.junit.jupiter:junit-jupiter-api from 5.10.2 to 5.10.3

build.gradle

@@ -114,7 +114,7 @@ testing {
       dependencies {
         implementation project()
         // https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api
-        implementation 'org.junit.jupiter:junit-jupiter-api:5.10.2'
+        implementation 'org.junit.jupiter:junit-jupiter-api:5.10.3'
         runtimeOnly 'org.junit.platform:junit-platform-launcher'
       }
     }