Update test dependencies

services/git-bridge/pom.xml

@@ -59,7 +59,7 @@
         <dependency>
             <groupId>org.jmock</groupId>
             <artifactId>jmock-junit4</artifactId>
-            <version>2.8.2</version>
+            <version>2.8.4</version>
             <scope>test</scope>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.eclipse.jetty/jetty-servlet -->
@@ -150,14 +150,14 @@
         <dependency>
             <groupId>org.mock-server</groupId>
             <artifactId>mockserver-netty</artifactId>
-            <version>3.10.4</version>
+            <version>5.3.0</version>
             <scope>test</scope>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.mockito/mockito-core -->
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <version>1.10.19</version>
+            <version>2.13.0</version>
             <scope>test</scope>
         </dependency>
         <!-- https://mvnrepository.com/artifact/com.amazonaws/aws-java-sdk -->