Update version to 12.7.0-SNAPSHOT in pom.xml

Author: mprins

pom.xml

@@ -14,7 +14,7 @@ SPDX-License-Identifier: MIT
     </parent>
     <groupId>org.tailormap</groupId>
     <artifactId>tailormap-api</artifactId>
-    <version>12.6.2-SNAPSHOT</version>
+    <version>12.7.0-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>Tailormap API</name>
     <description>Tailormap API provides the backend for Tailormap</description>