Bump org.apache.ivy:ivy in /OpenICF-groovy-connector (#19)

Bumps org.apache.ivy:ivy from 2.4.0-rc1 to 2.5.2.

---
updated-dependencies:
- dependency-name: org.apache.ivy:ivy
  dependency-type: direct:development
...

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OpenICF-groovy-connector/pom.xml

@@ -176,7 +176,7 @@
         <dependency>
             <groupId>org.apache.ivy</groupId>
             <artifactId>ivy</artifactId>
-            <version>2.4.0-rc1</version>
+            <version>2.5.2</version>
             <scope>test</scope>
         </dependency>
         <dependency>