update url of aliyun mirror

Author: robberphex

mse-simple-demo/A/Dockerfile

@@ -12,7 +12,7 @@ COPY <<EOF /root/.m2/settings.xml
         <mirror>
             <id>alimaven</id>
             <name>aliyun maven</name>
-            <url>https://maven.aliyun.com/nexus/content/groups/public/</url>
+            <url>https://maven.aliyun.com/repository/central</url>
             <mirrorOf>central</mirrorOf>
         </mirror>
     </mirrors>

mse-simple-demo/B/Dockerfile

@@ -9,7 +9,7 @@ COPY <<EOF /root/.m2/settings.xml
         <mirror>
             <id>alimaven</id>
             <name>aliyun maven</name>
-            <url>https://maven.aliyun.com/nexus/content/groups/public/</url>
+            <url>https://maven.aliyun.com/repository/central</url>
             <mirrorOf>central</mirrorOf>
         </mirror>
     </mirrors>

mse-simple-demo/C/Dockerfile

@@ -9,7 +9,7 @@ COPY <<EOF /root/.m2/settings.xml
         <mirror>
             <id>alimaven</id>
             <name>aliyun maven</name>
-            <url>https://maven.aliyun.com/nexus/content/groups/public/</url>
+            <url>https://maven.aliyun.com/repository/central</url>
             <mirrorOf>central</mirrorOf>
         </mirror>
     </mirrors>

mse-simple-demo/SpringCloudGateway/Dockerfile

@@ -11,7 +11,7 @@ COPY <<EOF /root/.m2/settings.xml
         <mirror>
             <id>alimaven</id>
             <name>aliyun maven</name>
-            <url>https://maven.aliyun.com/nexus/content/groups/public/</url>
+            <url>https://maven.aliyun.com/repository/central</url>
             <mirrorOf>central</mirrorOf>
         </mirror>
     </mirrors>

mse-simple-demo/ZuulGateway/Dockerfile

@@ -9,7 +9,7 @@ COPY <<EOF /root/.m2/settings.xml
         <mirror>
             <id>alimaven</id>
             <name>aliyun maven</name>
-            <url>https://maven.aliyun.com/nexus/content/groups/public/</url>
+            <url>https://maven.aliyun.com/repository/central</url>
             <mirrorOf>central</mirrorOf>
         </mirror>
     </mirrors>