Merge pull request #3490 from baomidou/dependabot/gradle/springVersion-5.3.6

Bump springVersion from 5.3.3 to 5.3.6

build.gradle

@@ -14,7 +14,7 @@ ext {
         mybatisVersion = '3.5.7',
         mybatisSpringVersion = '2.0.6',
         mybatisSpringBootStarterVersion = '2.1.4',
-        springVersion = '5.3.5',
+        springVersion = '5.3.6',
         springBootVersion = '2.4.2',
         jsqlparserVersion = '4.0',
         junitVersion = '5.7.1',