Update gitbucket to 4.46.0 (#113)

Co-authored-by: gitbucket-bot[bot] <256891351+gitbucket-bot[bot]@users.noreply.github.com>

Author: gitbucket-bot[bot]

build.sbt

@@ -2,5 +2,5 @@ name := "gitbucket-notifications-plugin"
 organization := "io.github.gitbucket"
 version := "1.11.0"
 scalaVersion := "2.13.18"
-gitbucketVersion := "4.45.0"
+gitbucketVersion := "4.46.0"
 scalacOptions := Seq("-deprecation", "-language:postfixOps", "-feature")