Upgrade fasthttp to v1.9.0

Author: Sergio Andres Virviescas Santana

go.mod

@@ -5,5 +5,5 @@ go 1.13
 require (
 	github.com/savsgio/gotils v0.0.0-20200117113501-90175b0fbe3f
 	github.com/valyala/bytebufferpool v1.0.0
-	github.com/valyala/fasthttp v1.8.0
+	github.com/valyala/fasthttp v1.9.0
 )

go.sum

@@ -6,8 +6,8 @@ github.com/savsgio/gotils v0.0.0-20200117113501-90175b0fbe3f h1:PgA+Olipyj258EIE
 github.com/savsgio/gotils v0.0.0-20200117113501-90175b0fbe3f/go.mod h1:lHhJedqxCoHN+zMtwGNTXWmF0u9Jt363FYRhV6g0CdY=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
-github.com/valyala/fasthttp v1.8.0 h1:actnGGBYtGQmxVaZxyZpp57Vcc2NhcO7mMN0IMwCC0w=
-github.com/valyala/fasthttp v1.8.0/go.mod h1:FstJa9V+Pj9vQ7OJie2qMHdwemEDaDiSdBnvPM1Su9w=
+github.com/valyala/fasthttp v1.9.0 h1:hNpmUdy/+ZXYpGy0OBfm7K0UQTzb73W0T0U4iJIVrMw=
+github.com/valyala/fasthttp v1.9.0/go.mod h1:FstJa9V+Pj9vQ7OJie2qMHdwemEDaDiSdBnvPM1Su9w=
 github.com/valyala/tcplisten v0.0.0-20161114210144-ceec8f93295a/go.mod h1:v3UYOV9WzVtRmSR+PDvWpU/qWl4Wa5LApYYX4ZtKbio=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=