Move non-mandatory dependencies to test scope (#245)

Author: mnk

starter/pom.xml

@@ -109,6 +109,7 @@
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
+      <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>io.javaoperatorsdk</groupId>
@@ -123,6 +124,7 @@
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-log4j2</artifactId>
+      <scope>test</scope>
     </dependency>
   </dependencies>
 </project>