Update module github.com/gin-gonic/gin to v1.9.1 [SECURITY]

Author: renovate[bot]

go.mod

@@ -5,22 +5,19 @@ go 1.15
 require (
 	github.com/benbjohnson/clock v1.0.3
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
-	github.com/gin-gonic/gin v1.6.3
+	github.com/gin-gonic/gin v1.9.1
 	github.com/go-pg/migrations/v8 v8.0.1
 	github.com/go-pg/pg/v10 v10.6.2
 	github.com/go-pg/pgext v0.2.0
 	github.com/go-pg/urlstruct v1.0.0
-	github.com/go-playground/validator/v10 v10.4.1 // indirect
 	github.com/go-redis/cache/v8 v8.2.1
 	github.com/go-redis/redis/v8 v8.3.3
 	github.com/go-redis/redis_rate/v9 v9.0.2
 	github.com/go-redis/redisext v0.3.1
 	github.com/google/uuid v1.1.2 // indirect
 	github.com/gosimple/slug v1.9.0
-	github.com/json-iterator/go v1.1.10 // indirect
 	github.com/klauspost/compress v1.11.2 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/onsi/ginkgo v1.14.2
 	github.com/onsi/gomega v1.10.3
 	github.com/segmentio/encoding v0.2.2 // indirect
@@ -31,11 +28,8 @@ require (
 	go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin v0.13.0
 	go.opentelemetry.io/otel v0.13.0
 	go.opentelemetry.io/otel/sdk v0.13.0
-	golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897
+	golang.org/x/crypto v0.9.0
 	golang.org/x/exp v0.0.0-20201008143054-e3b2a7f2fdc7
-	golang.org/x/net v0.0.0-20201031054903-ff519b6c9102 // indirect
-	golang.org/x/sys v0.0.0-20201107080550-4d91cf3a1aaf // indirect
-	golang.org/x/text v0.3.4 // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	gopkg.in/yaml.v2 v2.3.0
 )