Bump io.swagger:swagger-annotations from 1.6.2 to 1.6.11

Bumps io.swagger:swagger-annotations from 1.6.2 to 1.6.11.

---
updated-dependencies:
- dependency-name: io.swagger:swagger-annotations
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle

@@ -75,7 +75,7 @@ ext {
         "velocity"            : "org.apache.velocity:velocity-engine-core:2.3",
         "freemarker"          : "org.freemarker:freemarker:2.3.32",
         "beetl"               : "com.ibeetl:beetl:3.7.0.RELEASE",
-        "swagger-annotations" : "io.swagger:swagger-annotations:1.6.2",
+        "swagger-annotations" : "io.swagger:swagger-annotations:1.6.11",
         "enjoy"               : "com.jfinal:enjoy:5.0.0",
         "logback-classic"     : "ch.qos.logback:logback-classic:1.2.3",
     ]