Update version in the pom.xml files to 1.5.12-SNAPSHOT

Author: saudet

platform/pom.xml

@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.bytedeco</groupId>
     <artifactId>javacpp-presets</artifactId>
-    <version>1.5.11</version>
+    <version>1.5.12-SNAPSHOT</version>
     <relativePath></relativePath>
   </parent>
 

pom.xml

@@ -4,7 +4,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.bytedeco</groupId>
   <artifactId>javacv</artifactId>
-  <version>1.5.11</version>
+  <version>1.5.12-SNAPSHOT</version>
 
   <name>JavaCV</name>
   <description>Java interface to OpenCV, FFmpeg, and more</description>