chore(deps): bump github.com/gin-gonic/gin from 1.4.0 to 1.7.0 (#151)

Bumps [github.com/gin-gonic/gin](https://github.com/gin-gonic/gin) from 1.4.0 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](https://github.com/gin-gonic/gin/compare/v1.4.0...v1.7.0)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -3,17 +3,13 @@ module github.com/swaggo/gin-swagger
 require (
 	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751
 	github.com/gin-contrib/gzip v0.0.1
-	github.com/gin-contrib/sse v0.1.0 // indirect
-	github.com/gin-gonic/gin v1.4.0
+	github.com/gin-gonic/gin v1.7.0
 	github.com/kr/pretty v0.1.0 // indirect
-	github.com/mattn/go-isatty v0.0.8 // indirect
-	github.com/stretchr/testify v1.3.0
+	github.com/stretchr/testify v1.4.0
 	github.com/swaggo/files v0.0.0-20190704085106-630677cd5c14
 	github.com/swaggo/swag v1.5.1
 	github.com/ugorji/go v1.1.13 // indirect
 	golang.org/x/net v0.0.0-20190611141213-3f473d35a33a
-	golang.org/x/sys v0.0.0-20190610200419-93c9922d18ae // indirect
-	golang.org/x/text v0.3.2 // indirect
 	golang.org/x/tools v0.0.0-20190611222205-d73e1c7e250b // indirect
 	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 )