Bump github.com/gin-gonic/gin from 1.5.0 to 1.7.0

Bumps [github.com/gin-gonic/gin](https://github.com/gin-gonic/gin) from 1.5.0 to 1.7.0.
- [Release notes](https://github.com/gin-gonic/gin/releases)
- [Changelog](https://github.com/gin-gonic/gin/blob/master/CHANGELOG.md)
- [Commits](gin-gonic/gin@v1.5.0...v1.7.0)

---
updated-dependencies:
- dependency-name: github.com/gin-gonic/gin
  dependency-type: direct:production
...

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

Author: dependabot[bot]

go.mod

@@ -9,13 +9,13 @@ require (
 	github.com/GoAdminGroup/go-admin v1.2.24
 	github.com/GoAdminGroup/librarian v0.0.5
 	github.com/GoAdminGroup/themes v0.0.42
+	github.com/fasthttp-contrib/websocket v0.0.0-20160511215533-1f3b11f56072 // indirect
 	github.com/gavv/httpexpect v2.0.0+incompatible
-	github.com/gin-gonic/gin v1.5.0
+	github.com/gin-gonic/gin v1.7.0
 	github.com/go-echarts/go-echarts v0.0.0-20190915064101-cbb3b43ade5d
-	github.com/gobuffalo/packr v1.30.1 // indirect
-	github.com/h2non/filetype v1.0.12 // indirect
-	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/satori/go.uuid v1.2.0 // indirect
-	github.com/shirou/gopsutil v2.20.3+incompatible // indirect
+	github.com/k0kubun/colorstring v0.0.0-20150214042306-9440f1994b88 // indirect
+	github.com/smartystreets/goconvey v1.7.2 // indirect
 	github.com/valyala/fasthttp v1.42.0 // indirect
+	github.com/yudai/pp v2.0.1+incompatible // indirect
+	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
 )