Merge pull request #101 from aliyun/dependabot/maven/microservice-doc-demo/dubbo-samples-xml/dubbo-xml-provider/org.apache.dubbo-dubbo-2.7.18

Bump dubbo from 2.7.15 to 2.7.18 in /microservice-doc-demo/dubbo-samples-xml/dubbo-xml-provider

Author: ralf0131

microservice-doc-demo/dubbo-samples-xml/dubbo-xml-provider/pom.xml

@@ -13,7 +13,7 @@
         <dependency>
             <groupId>org.apache.dubbo</groupId>
             <artifactId>dubbo</artifactId>
-            <version>2.7.15</version>
+            <version>2.7.18</version>
         </dependency>
         <dependency>
             <groupId>com.alibaba.nacos</groupId>