sysutils/parallel: Update to 20210722

Changes:	https://git.savannah.gnu.org/cgit/parallel.git/tree/NEWS

sysutils/parallel/Makefile

 # Created by: Chris Howey <howeyc@gmail.com>
 
 PORTNAME=	parallel
-PORTVERSION=	20210622
+PORTVERSION=	20210722
 CATEGORIES=	sysutils
 MASTER_SITES=	GNU
 

sysutils/parallel/distinfo

-TIMESTAMP = 1624630056
-SHA256 (parallel-20210622.tar.bz2) = 7b33279bf71e76c52c393081d2db69057dd320be019759c4e704841a6761ec86
-SIZE (parallel-20210622.tar.bz2) = 2251075
+TIMESTAMP = 1627120814
+SHA256 (parallel-20210722.tar.bz2) = 3239094bc043957be191e1e4376716ef0d1b369e545b5bf7d7824b7d46284a49
+SIZE (parallel-20210722.tar.bz2) = 2248893