update pom.xml.

shiro 1.5.3版本 有高危漏洞，升级为 1.6.0版本
fastjson 1.2.70版本有高危漏洞，需升级为1.2.73

pom.xml

@@ -16,7 +16,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
-        <shiro.version>1.5.3</shiro.version>
+        <shiro.version>1.6.0</shiro.version>
         <thymeleaf.extras.shiro.version>2.0.0</thymeleaf.extras.shiro.version>
         <mybatis.boot.version>1.3.2</mybatis.boot.version>
         <druid.version>1.1.14</druid.version>
@@ -24,7 +24,7 @@
         <kaptcha.version>2.3.2</kaptcha.version>
         <swagger.version>2.9.2</swagger.version>
         <pagehelper.boot.version>1.2.5</pagehelper.boot.version>
-        <fastjson.version>1.2.70</fastjson.version>
+        <fastjson.version>1.2.73</fastjson.version>
         <oshi.version>3.9.1</oshi.version>
         <commons.io.version>2.5</commons.io.version>
         <commons.fileupload.version>1.3.3</commons.fileupload.version>