add java.version for adapter-dubbo-3.1 & adapter-dubbo-3.2

Author: gaosaroma

koupleless-adapter-dubbo-3.1/pom.xml

@@ -12,7 +12,7 @@
  <artifactId>koupleless-adapter-dubbo-3.1</artifactId>
 
  <properties>
- <java.version>17</java.version>
+ <java.version>1.8</java.version>
  </properties>
 
  <dependencies>

koupleless-adapter-dubbo-3.2/pom.xml

@@ -12,7 +12,7 @@
  <artifactId>koupleless-adapter-dubbo-3.2</artifactId>
 
  <properties>
- <java.version>17</java.version>
+ <java.version>1.8</java.version>
  </properties>
 
  <dependencies>