www/py-wagtail-transfer: Update to 0.9.3

Changes:	https://github.com/wagtail/wagtail-transfer/releases

www/py-wagtail-transfer/Makefile

 PORTNAME=	wagtail-transfer
-PORTVERSION=	0.9.2
+PORTVERSION=	0.9.3
 DISTVERSIONPREFIX=	v
 CATEGORIES=	www python
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

www/py-wagtail-transfer/distinfo

-TIMESTAMP = 1699774682
-SHA256 (wagtail-wagtail-transfer-v0.9.2_GH0.tar.gz) = 756139db3032b0e12e24dbba94384c416c760999d7dc4c6cd02c952570c714db
-SIZE (wagtail-wagtail-transfer-v0.9.2_GH0.tar.gz) = 318353
+TIMESTAMP = 1700759884
+SHA256 (wagtail-wagtail-transfer-v0.9.3_GH0.tar.gz) = 7f1695c9b66be614f5d9938ad2f7e7ba2747a6dffcb1befa1d8a753056d37b21
+SIZE (wagtail-wagtail-transfer-v0.9.3_GH0.tar.gz) = 318725