version: change version to 1.8.1-SNAPSHOT (#5993)

Signed-off-by: slievrly <slievrly@163.com>

README.md

@@ -5,8 +5,7 @@
 [![Build Status](https://github.com/seata/seata/workflows/build/badge.svg?branch=develop)](https://github.com/seata/seata/actions)
 [![codecov](https://codecov.io/gh/seata/seata/branch/develop/graph/badge.svg)](https://codecov.io/gh/seata/seata)
 [![license](https://img.shields.io/github/license/seata/seata.svg)](https://www.apache.org/licenses/LICENSE-2.0.html)
-[![maven](https://img.shields.io/maven-central/v/io.seata/seata-parent?versionSuffix=1.8.0)](https://search.maven.
-org/search?q=io.seata)
+[![maven](https://img.shields.io/maven-central/v/io.seata/seata-parent?versionSuffix=1.8.0)](https://search.maven. org/search?q=io.seata)
 [![Language grade: Java](https://img.shields.io/lgtm/grade/java/g/seata/seata.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/seata/seata/context:java)
 
 

build/pom.xml

@@ -63,7 +63,7 @@
 
     <properties>
         <!-- seata version -->
-        <revision>1.8.0</revision>
+        <revision>1.8.1-SNAPSHOT</revision>
 
         <!-- Compiler settings properties -->
         <java.version>1.8</java.version>