升级支持SpringCloud 2021，Knife4j版本升级

mall-admin/src/main/java/com/macro/mall/config/SwaggerConfig.java

@@ -2,6 +2,8 @@ package com.macro.mall.config;
 
 import com.macro.mall.common.config.BaseSwaggerConfig;
 import com.macro.mall.common.domain.SwaggerProperties;
+import org.springframework.beans.factory.config.BeanPostProcessor;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import springfox.documentation.swagger2.annotations.EnableSwagger2;
 
@@ -24,4 +26,9 @@ public class SwaggerConfig extends BaseSwaggerConfig {
                 .enableSecurity(true)
                 .build();
     }
+
+    @Bean
+    public BeanPostProcessor springfoxHandlerProviderBeanPostProcessor() {
+        return generateBeanPostProcessor();
+    }
 }