upgrade sentinel to 1.7.0, cheers

spring-cloud-alibaba-dependencies/pom.xml

@@ -18,7 +18,7 @@
     <description>Spring Cloud Alibaba Dependencies</description>
 
     <properties>
-        <sentinel.version>1.6.3</sentinel.version>
+        <sentinel.version>1.7.0</sentinel.version>
         <oss.version>3.1.0</oss.version>
         <seata.version>0.9.0</seata.version>
         <nacos.client.version>1.1.4</nacos.client.version>