Set version to 1.6.0-SNAPSHOT

Author: mrotteveel

pom.xml

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.firebirdsql</groupId>
     <artifactId>firebird-testcontainers-java</artifactId>
-    <version>1.5.2-SNAPSHOT</version>
+    <version>1.6.0-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>firebird-testcontainers-java</name>