Revert "Bump plexus-java from 1.0.6 to 1.0.7"

This reverts commit f9ecefff1b159fd9e6c3405151ae4e7d8eb8ceb1.
diff --git a/pom.xml b/pom.xml
index 571dfb6..c027440 100644
--- a/pom.xml
+++ b/pom.xml
@@ -102,7 +102,7 @@
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-java</artifactId>
-      <version>1.0.7</version>
+      <version>1.0.6</version>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>