net/rubygem-oauth: Update to 0.5.7

Changes:	https://github.com/oauth-xx/oauth-ruby/releases
		https://github.com/oauth-xx/oauth-ruby/blob/master/CHANGELOG.md

net/rubygem-oauth/Makefile

 # Created by: wenheping <wenheping@gmail.com>
 
 PORTNAME=	oauth
-PORTVERSION=	0.5.6
+PORTVERSION=	0.5.7
 CATEGORIES=	net rubygems
 MASTER_SITES=	RG
 

net/rubygem-oauth/distinfo

-TIMESTAMP = 1626383220
-SHA256 (rubygem/oauth-0.5.6.gem) = 4085fe28e0c5e2434135e00a6555294fd2a4ff96a98d1bdecdcd619fc6368dff
-SIZE (rubygem/oauth-0.5.6.gem) = 28672
+TIMESTAMP = 1636145484
+SHA256 (rubygem/oauth-0.5.7.gem) = f11449eb08708f6c9ea7e1ee02beb9d165a885de603cbf724af9b47295653520
+SIZE (rubygem/oauth-0.5.7.gem) = 38400