devel/py-flynt: Update to 0.77

Changes since 0.76:

 - Switch from distutils to pep517.

 - "--transform-joins" ("-tj") will transform string join operations
   on static operands to an f-string.

Also update pkg-descr.

Reported by:	portscout

devel/py-flynt/Makefile

 PORTNAME=	flynt
-PORTVERSION=	0.76
-PORTREVISION=	1
+PORTVERSION=	0.77
 CATEGORIES=	devel python
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
@@ -10,12 +9,13 @@ WWW=		https://github.com/ikamensh/flynt
 
 LICENSE=	MIT
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}hatchling>0:devel/py-hatchling@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}astor>0:devel/py-astor@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}tomli>1.1.0:textproc/py-tomli@${PY_FLAVOR}
 
-USES=		python:3.6+
+USES=		python:3.7+
 USE_GITHUB=	yes
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	autoplist pep517
 
 GH_ACCOUNT=	ikamensh
 

devel/py-flynt/distinfo

-TIMESTAMP = 1642634336
-SHA256 (ikamensh-flynt-0.76_GH0.tar.gz) = 4405cf38ed52448a7eaf64fc1ecd8afefabc8f9f7b1d91aa2a0444a89b9de0f0
-SIZE (ikamensh-flynt-0.76_GH0.tar.gz) = 49152
+TIMESTAMP = 1679182099
+SHA256 (ikamensh-flynt-0.77_GH0.tar.gz) = 49a844923dee2a0cdac21c2b25abb3f6e1cd16e87d97a29ade00c2058fbddce4
+SIZE (ikamensh-flynt-0.77_GH0.tar.gz) = 52989

devel/py-flynt/pkg-descr

-flynt is a command line tool to automatically convert a project's
-Python code from old "%-formatted" and .format(...) strings into
-Python 3.6+'s "f-strings".
+flynt is a CLI tool to convert a python project's %-formatted strings
+to f-strings.