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

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>

server/go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/anacrolix/torrent v1.30.3
 	github.com/gin-contrib/cors v1.3.1
 	github.com/gin-contrib/location v0.0.2
-	github.com/gin-gonic/gin v1.6.3
+	github.com/gin-gonic/gin v1.7.0
 	github.com/pkg/browser v0.0.0-20210115035449-ce105d075bb4
 	github.com/pkg/errors v0.9.1
 	go.etcd.io/bbolt v1.3.6
@@ -42,7 +42,7 @@ require (
 	github.com/gin-contrib/sse v0.1.0 // indirect
 	github.com/go-playground/locales v0.13.0 // indirect
 	github.com/go-playground/universal-translator v0.17.0 // indirect
-	github.com/go-playground/validator/v10 v10.2.0 // indirect
+	github.com/go-playground/validator/v10 v10.4.1 // indirect
 	github.com/golang/protobuf v1.4.3 // indirect
 	github.com/google/btree v1.0.1 // indirect
 	github.com/huandu/xstrings v1.3.2 // indirect
@@ -58,6 +58,7 @@ require (
 	github.com/ugorji/go/codec v1.1.7 // indirect
 	github.com/willf/bitset v1.1.11 // indirect
 	github.com/willf/bloom v2.0.3+incompatible // indirect
+	golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b // indirect
 	golang.org/x/net v0.0.0-20210813160813-60bc85c4be6d // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
 	golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e // indirect