⬆️ Bump github.com/gin-gonic/gin from 1.6.3 to 1.7.0

Bumps [github.com/gin-gonic/gin](https://github.com/gin-gonic/gin) from 1.6.3 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/v1.6.3...v1.7.0)

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

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

go.mod

@@ -4,8 +4,7 @@ go 1.15
 
 require (
 	github.com/gin-contrib/static v0.0.0-20200916080430-d45d9a37d28e
-	github.com/gin-gonic/gin v1.6.3
-	github.com/go-playground/validator/v10 v10.4.1 // indirect
+	github.com/gin-gonic/gin v1.7.0
 	github.com/golang/protobuf v1.4.3 // indirect
 	github.com/json-iterator/go v1.1.10 // indirect
 	github.com/leodido/go-urn v1.2.1 // indirect