net/py-gspread: Update to version 5.1.1

Changelog: https://github.com/burnash/gspread/releases/tag/v5.1.1

net/py-gspread/Makefile

 # Created by: Steven Kreuzer <skreuzer@FreeBSD.org>
 
 PORTNAME=	gspread
-PORTVERSION=	5.0.0
+PORTVERSION=	5.1.1
 DISTVERSIONPREFIX=	v
 CATEGORIES=	net python
 MASTER_SITES=	CHEESESHOP

net/py-gspread/distinfo

-TIMESTAMP = 1639752039
-SHA256 (burnash-gspread-v5.0.0_GH0.tar.gz) = ea6c1e3ef7888ab9f84802adc76cd97a00b9945c0edd755657a13c010526fc9a
-SIZE (burnash-gspread-v5.0.0_GH0.tar.gz) = 100155
+TIMESTAMP = 1640288348
+SHA256 (burnash-gspread-v5.1.1_GH0.tar.gz) = a0d72d2dc43d4a8b609ea477b232823632ec3f213e6d26e97b30d42a316de8df
+SIZE (burnash-gspread-v5.1.1_GH0.tar.gz) = 102086