update dubbo version to 2.7.18

Author: robberphex

src/cartservice/cartservice-provider/pom.xml

@@ -20,8 +20,8 @@
         <java.version>1.8</java.version>
         <spring.boot.version>2.2.5.RELEASE</spring.boot.version>
         <spring.cloud.alibaba.version>2.2.1.RELEASE</spring.cloud.alibaba.version>
-        <dubbo.version>2.7.15</dubbo.version>
-        <dubbo.spring.version>2.7.15</dubbo.spring.version>
+        <dubbo.version>2.7.18</dubbo.version>
+        <dubbo.spring.version>2.7.18</dubbo.spring.version>
     </properties>
 
     <dependencyManagement>

src/checkoutservice/checkoutservice-provider/pom.xml

@@ -21,8 +21,8 @@
         <java.version>1.8</java.version>
         <spring.boot.version>2.2.5.RELEASE</spring.boot.version>
         <spring.cloud.alibaba.version>2.2.1.RELEASE</spring.cloud.alibaba.version>
-        <dubbo.version>2.7.15</dubbo.version>
-        <dubbo.spring.version>2.7.15</dubbo.spring.version>
+        <dubbo.version>2.7.18</dubbo.version>
+        <dubbo.spring.version>2.7.18</dubbo.spring.version>
     </properties>
 
     <dependencyManagement>

src/frontend/pom.xml

@@ -20,8 +20,8 @@
         <spring.boot.version>2.2.5.RELEASE</spring.boot.version>
         <spring.cloud.alibaba.version>2.2.1.RELEASE</spring.cloud.alibaba.version>
         <spring-cloud-openfeign.version>2.2.3.RELEASE</spring-cloud-openfeign.version>
-        <dubbo.version>2.7.15</dubbo.version>
-        <dubbo.spring.version>2.7.15</dubbo.spring.version>
+        <dubbo.version>2.7.18</dubbo.version>
+        <dubbo.spring.version>2.7.18</dubbo.spring.version>
     </properties>
 
     <dependencyManagement>

src/productservice/productservice-provider/pom.xml

@@ -18,8 +18,8 @@
         <maven.compiler.encoding>${java.encoding}</maven.compiler.encoding>
         <spring.boot.version>2.2.5.RELEASE</spring.boot.version>
         <spring.cloud.alibaba.version>2.2.1.RELEASE</spring.cloud.alibaba.version>
-        <dubbo.version>2.7.15</dubbo.version>
-        <dubbo.spring.version>2.7.15</dubbo.spring.version>
+        <dubbo.version>2.7.18</dubbo.version>
+        <dubbo.spring.version>2.7.18</dubbo.spring.version>
     </properties>
 
     <dependencyManagement>