⬆️ upgrade guava

Author: sanshengshui

pom.xml

@@ -93,7 +93,7 @@
         <junit.version>4.13.1</junit.version>
         <mockito.version>1.9.5</mockito.version>
         <gson.version>2.6.2</gson.version>
-        <guava.version>29.0-jre</guava.version>
+        <guava.version>30.1-jre</guava.version>
         <spring-boot.version>2.0.5.RELEASE</spring-boot.version>
         <netty-all.version>4.1.42.Final</netty-all.version>
         <lombok.version>1.16.18</lombok.version>