[maven-release-plugin] prepare release tess4j-5.12.0

Author: nguyenq

pom.xml

@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.sourceforge.tess4j</groupId>
     <artifactId>tess4j</artifactId>
-    <version>5.12.0-SNAPSHOT</version>
+    <version>5.12.0</version>
     <packaging>jar</packaging>
 
     <name>Tess4J - Tesseract for Java</name>