chore: prepare for next version: 2.0.29

Author: anatawa12-bot

gradle.properties

@@ -4,7 +4,7 @@
 
 org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
 modGroup=com.anatawa12.fixRtm
-modVersion=2.0.28
+modVersion=2.0.29-beta.0
 modBaseName=fixRtm
 forgeVersion=1.12.2-14.23.5.2847
 mcpChannel=stable