Enforce consistent versions for mock libraries (#1519)

pom.xml

@@ -69,8 +69,8 @@
       <dependency>
         <groupId>com.squareup.okhttp3</groupId>
         <artifactId>mockwebserver</artifactId>
-        <version>4.9.3</version>
-        <!-- should be aligned with the version provided by okhttp-api-plugin -->
+        <!-- transitive dep of io.fabric8:kubernetes-server-mock, needs alignment with okhttp-api -->
+        <version>4.11.0</version>
       </dependency>
     </dependencies>
   </dependencyManagement>
@@ -317,6 +317,34 @@
           </systemProperties>
         </configuration>
       </plugin>
+      <plugin>
+        <artifactId>maven-enforcer-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>enforce-okhttp-consistency</id>
+            <goals>
+              <goal>enforce</goal>
+            </goals>
+            <configuration>
+              <rules>
+                <requireSameVersions>
+                  <dependencies>
+                    <dependency>com.squareup.okhttp3:mockwebserver</dependency>
+                    <dependency>com.squareup.okhttp3:okhttp:jar</dependency>
+                    <dependency>com.squareup.okhttp3:logging-interceptor</dependency>
+                  </dependencies>
+                </requireSameVersions>
+                <requireSameVersions>
+                  <dependencies>
+                    <dependency>io.fabric8:kubernetes-server-mock</dependency>
+                    <dependency>io.fabric8:kubernetes-client</dependency>
+                  </dependencies>
+                </requireSameVersions>
+              </rules>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
   </build>