devel/py-pip: Reenable DOCS option by using py-towncrier23

- Bump PORTREVISION for package change

Change py-sphinxcontrib-towncrier and this port from incompatible py-towncrier
to compatible py-towncrier23. Therefore, DOCS can be enabled again.

Reference:	sphinx-contrib/sphinxcontrib-towncrier#92
PR:		280570

devel/py-pip/Makefile

@@ -1,6 +1,6 @@
 PORTNAME=	pip
 PORTVERSION=	23.3.2
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	devel python
 MASTER_SITES=	https://files.pythonhosted.org/packages/c3/9e/8a7ba2c9984a060daa6c6f9fff4d576b7ace3936239d6b771541eab972ed/:test_setuptools \
 		https://files.pythonhosted.org/packages/61/86/cc8d1ff2ca31a312a25a708c891cf9facbad4eae493b3872638db6785eb5/:test_wheel
@@ -50,15 +50,15 @@ GH_ACCOUNT=	pypa
 
 SHEBANG_FILES=	src/pip/__init__.py
 
-#OPTIONS_DEFINE=	DOCS
+OPTIONS_DEFINE=	DOCS
 
 DOCS_BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}furo>=0:textproc/py-furo@${PY_FLAVOR} \
 			${PYTHON_PKGNAMEPREFIX}myst-parser>=0:textproc/py-myst-parser@${PY_FLAVOR} \
 			${PYTHON_PKGNAMEPREFIX}sphinx>=4.2,1<6.0,1:textproc/py-sphinx@${PY_FLAVOR} \
 			${PYTHON_PKGNAMEPREFIX}sphinx-copybutton>=0:textproc/py-sphinx-copybutton@${PY_FLAVOR} \
 			${PYTHON_PKGNAMEPREFIX}sphinx-inline-tabs>=0:textproc/py-sphinx-inline-tabs@${PY_FLAVOR} \
 			${PYTHON_PKGNAMEPREFIX}sphinxcontrib-towncrier>=0.2.0a0:textproc/py-sphinxcontrib-towncrier@${PY_FLAVOR} \
-			${PYTHON_PKGNAMEPREFIX}towncrier>=0:textproc/py-towncrier@${PY_FLAVOR}
+			${PYTHON_PKGNAMEPREFIX}towncrier23>=0:textproc/py-towncrier23@${PY_FLAVOR}
 DOCS_PORTDOCS=		*
 DOCS_VARS=		PYDISTUTILS_BUILD_TARGET=build_sphinx \
 			PYDISTUTILS_BUILDARGS="-n --all-files --fresh-env"