update druid 1.2.9 => 1.2.11

pom.xml

@@ -25,7 +25,7 @@
         <swagger.core.version>1.5.22</swagger.core.version>
         <mybatis-plus.version>3.5.2</mybatis-plus.version>
         <p6spy.version>3.9.1</p6spy.version>
-        <druid.version>1.2.9</druid.version>
+        <druid.version>1.2.11</druid.version>
         <dynamic-ds.version>3.5.1</dynamic-ds.version>
         <velocity.version>2.3</velocity.version>
         <fastjson.version>1.2.83</fastjson.version>