[#1390] update servicecomb version to 2.8.30. (#1528)

Author: chengyouling

pom.xml

@@ -38,7 +38,7 @@
      import spring-framework-bom. No need configure spring version. -->
     <spring-cloud.version>2023.0.6</spring-cloud.version>
     <spring-boot.version>3.3.13</spring-boot.version>
-    <servicecomb.version>2.8.29</servicecomb.version>
+    <servicecomb.version>2.8.30</servicecomb.version>
   </properties>
 
   <modules>