next dev version [skip ci]

Author: jvmlet

gradle.properties

@@ -5,7 +5,7 @@ gradleErrorPronePluginVersion=2.0.2
 errorProneVersion=2.7.1
 lombokVersion=1.18.20
 
-version=4.9.0
+version=4.9.1-SNAPSHOT
 group=io.github.lognet
 description=Spring Boot starter for Google RPC.
 gitHubUrl=https\://github.com/LogNet/grpc-spring-boot-starter