Release 6.6.0

Change-Id: I8a5b9a99f6aea3ae846cb80079aa026b9d0e3256
diff --git a/core/pom.xml b/core/pom.xml
index d965276..86946e7 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>eu.mulk.quarkus-googlecloud-jsonlogging</groupId>
     <artifactId>quarkus-googlecloud-jsonlogging-parent</artifactId>
-    <version>6.5.1-SNAPSHOT</version>
+    <version>6.6.0</version>
   </parent>
 
   <artifactId>quarkus-googlecloud-jsonlogging-core</artifactId>