gin-jwt: Vendor Gin conflict

Not sure why this exactly this is being caused, but it occurs since the commit “feat: add vendor to git tree”.

cannot use c (type *"github.com/gin-gonic/gin".Context) as type *"github.com/appleboy/gin-jwt/vendor/github.com/gin-gonic/gin".Context in argument to "github.com/appleboy/gin-jwt".ExtractClaims