Bump to GitBucket 4.14

Author: takezoe

Diff for: README.md

@@ -4,6 +4,7 @@ This is an example of GitBucket plug-in. This plug-in provides code snippet repo
 
 Plugin version | GitBucket version
 :--------------|:--------------------
+4.9.x          | 4.14.x -
 4.8.x          | 4.11.x - 4.13.x
 4.7.x          | 4.11.x
 4.6.x          | 4.10.x

Diff for: build.sbt

@@ -1,6 +1,6 @@
 val Organization = "io.github.gitbucket"
 val ProjectName = "gitbucket-gist-plugin"
-val ProjectVersion = "4.8.0"
+val ProjectVersion = "4.9.0"
 
 lazy val root = (project in file(".")).enablePlugins(SbtTwirl)
 
@@ -10,7 +10,7 @@ version := ProjectVersion
 scalaVersion := "2.12.2"
 
 libraryDependencies ++= Seq(
-  "io.github.gitbucket" %% "gitbucket"          % "4.12.0" % "provided",
+  "io.github.gitbucket" %% "gitbucket"          % "4.14.0" % "provided",
   "com.typesafe.play"   %% "twirl-compiler"     % "1.3.0"  % "provided",
   "javax.servlet"        % "javax.servlet-api"  % "3.1.0"  % "provided"
 )