Sentinel support feign

spring-cloud-alibaba-sentinel/pom.xml

@@ -35,6 +35,13 @@
             <artifactId>sentinel-dubbo-adapter</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-openfeign</artifactId>
+            <scope>provided</scope>
+            <optional>true</optional>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-alibaba-sentinel-datasource</artifactId>