textproc/py-mkdocstrings-python-legacy: Update to 0.2.7

* Adjust USES=python accordingly, because Python 3.8 is no longer
  present in the ports tree after ca15850a2b while I'm here.

Changelog:

https://github.com/mkdocstrings/python-legacy/releases/tag/0.2.7

textproc/py-mkdocstrings-python-legacy/Makefile

@@ -1,5 +1,5 @@
 PORTNAME=	mkdocstrings-python-legacy
-DISTVERSION=	0.2.6
+DISTVERSION=	0.2.7
 CATEGORIES=	textproc python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -21,7 +21,7 @@ TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}mkdocs-material>0:textproc/py-mkdocs-materi
 # a circular dependency (via py-mkdocstrings' PYTHONLEGACY option).  It was
 # therefore # moved to TEST_DEPENDS to at least allow the test suite to run.
 
-USES=		python:3.9+
+USES=		python
 USE_PYTHON=	autoplist pep517 pytest
 
 TEST_ENV=	PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}

textproc/py-mkdocstrings-python-legacy/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1742724911
-SHA256 (mkdocstrings_python_legacy-0.2.6.tar.gz) = 261d7dd920c46db7d83f7230789cb836ee148e213f43aecc827e3f7ca6a5c4d9
-SIZE (mkdocstrings_python_legacy-0.2.6.tar.gz) = 99678
+TIMESTAMP = 1748511463
+SHA256 (mkdocstrings_python_legacy-0.2.7.tar.gz) = 1aa8a277a332fb0d49be3786de3fa18af7d8792e8d611f6ba8d550dc3a1ff8a1
+SIZE (mkdocstrings_python_legacy-0.2.7.tar.gz) = 99605