[UIMA-6456] UIMA Parent POM 15 release

- Rename tycho release activation marker file so it falls under the rat exclusion
diff --git a/pom.xml b/pom.xml
index 19b89fc..6e71334 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2934,7 +2934,7 @@
           <name>!disable-tycho</name>
         </property>
         <file>
-          <exists>marker-file-enable-tycho-release</exists>
+          <exists>marker-file-enabling-tycho-release</exists>
         </file>
       </activation>