Bump dubbo from 2.7.8 to 2.7.13

Bumps [dubbo](https://github.com/apache/dubbo) from 2.7.8 to 2.7.13.
- [Release notes](https://github.com/apache/dubbo/releases)
- [Changelog](https://github.com/apache/dubbo/blob/3.0/CHANGES.md)
- [Commits](https://github.com/apache/dubbo/compare/dubbo-2.7.8...dubbo-2.7.13)

---
updated-dependencies:
- dependency-name: org.apache.dubbo:dubbo
  dependency-type: direct:production
...
Signed-off-by: Ndependabot[bot] <support@github.com>

pom.xml

@@ -51,7 +51,7 @@
         <elasticsearch.version>7.14.0</elasticsearch.version>
         <knife4j.version>2.0.5</knife4j.version>
         <hibernate-validator.version>6.2.0.Final</hibernate-validator.version>
-        <dubbo.version>2.7.8</dubbo.version>
+        <dubbo.version>2.7.13</dubbo.version>
         <curator.version>5.1.0</curator.version>
         <jackson-databind.version>2.12.4</jackson-databind.version>
         <commons-configuration.version>1.10</commons-configuration.version>