Bump github.com/gin-gonic/gin from 1.7.4 to 1.9.1 (#62)

Bumps [github.com/gin-gonic/gin](https://github.com/gin-gonic/gin) from 1.7.4 to 1.9.1.
- [Release notes](https://github.com/gin-gonic/gin/releases)
- [Changelog](https://github.com/gin-gonic/gin/blob/master/CHANGELOG.md)
- [Commits](gin-gonic/gin@v1.7.4...v1.9.1)

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

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

go.mod

@@ -4,16 +4,14 @@ go 1.15
 
 require (
 	github.com/emersion/go-ical v0.0.0-20220406103352-1c2d2bd7962b
-	github.com/gin-gonic/gin v1.7.4
+	github.com/gin-gonic/gin v1.9.1
 	github.com/go-sql-driver/mysql v1.6.0
 	github.com/jinzhu/now v1.1.4 // indirect
 	github.com/joho/godotenv v1.3.0
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/sirupsen/logrus v1.8.1
 	github.com/swaggo/gin-swagger v1.3.3
 	github.com/swaggo/swag v1.7.8
-	golang.org/x/crypto v0.1.0
+	golang.org/x/crypto v0.9.0
 	gorm.io/driver/mysql v1.1.2
 	gorm.io/driver/sqlite v1.1.4
 	gorm.io/gorm v1.22.4