textproc/py-texttable: Update to 1.6.6

Changelog:	https://raw.githubusercontent.com/foutaise/texttable/v1.6.6/CHANGELOG.md

textproc/py-texttable/Makefile

 PORTNAME=	texttable
-PORTVERSION=	1.6.4
+PORTVERSION=	1.6.6
 CATEGORIES=	textproc python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

textproc/py-texttable/distinfo

-TIMESTAMP = 1626608366
-SHA256 (texttable-1.6.4.tar.gz) = 42ee7b9e15f7b225747c3fa08f43c5d6c83bc899f80ff9bae9319334824076e9
-SIZE (texttable-1.6.4.tar.gz) = 12565
+TIMESTAMP = 1669244758
+SHA256 (texttable-1.6.6.tar.gz) = e106b1204b788663283784fd6e5dfc23f1574b84e518e5d286c1a1e66dabd42c
+SIZE (texttable-1.6.6.tar.gz) = 12912