devel/rubygem-sequel: Update to 5.48.0

Changes:	https://github.com/jeremyevans/sequel/blob/master/CHANGELOG
		https://sequel.jeremyevans.net/rdoc/files/CHANGELOG.html

devel/rubygem-sequel/Makefile

 # Created by: Wen Heping<wenheping@gmail.com>
 
 PORTNAME=	sequel
-PORTVERSION=	5.47.0
+PORTVERSION=	5.48.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 

devel/rubygem-sequel/distinfo

-TIMESTAMP = 1628103840
-SHA256 (rubygem/sequel-5.47.0.gem) = 7fc8fdf048698dc4a5fd1a8f996bef1285b6d729f4a4e17939ea0d368984f50e
-SIZE (rubygem/sequel-5.47.0.gem) = 759296
+TIMESTAMP = 1632227702
+SHA256 (rubygem/sequel-5.48.0.gem) = 79e506e897ee2d572748bcb25fa804b2c0c5cf1e8c8380f10a8c69c0989abc37
+SIZE (rubygem/sequel-5.48.0.gem) = 759808