Increased version

gradle.properties

@@ -1,7 +1,7 @@
 # Sets default memory used for gradle commands. Can be overridden by user or command line properties.
 # This is required to provide enough memory for the Minecraft decompilation process.
 org.gradle.jvmargs=-Xmx3G
-mod_version=1.12.8
+mod_version=1.12.9
 minecraft_version=1.12.2
 teslacorelib_version=1.0.15.+
 teslacorelib_mc_version=1.12.2