update py-waitress to 2.1.2

This update:
- Addresses CVE-2022-24761
- Skips versions 2.1.0 and 2.1.1 which are impacted by CVE-2022-31015

with help from and ok sthen@

www/py-waitress/Makefile

@@ -1,9 +1,8 @@
 COMMENT =		pure-Python WSGI server
 
-MODPY_EGG_VERSION =	1.4.4
+MODPY_EGG_VERSION =	2.1.2
 DISTNAME =		waitress-${MODPY_EGG_VERSION}
 PKGNAME =		py-${DISTNAME}
-REVISION =		5
 
 CATEGORIES =		www
 
@@ -12,14 +11,16 @@ PERMIT_PACKAGE =	Yes
 
 MODULES =		lang/python
 
-MODPY_PI =		Yes
-MODPY_PYBUILD =		setuptools
-
 FLAVORS =		python3
 FLAVOR =		python3
 
+MODPY_PI =		Yes
+MODPY_PYBUILD =		setuptools
+
 BUILD_DEPENDS =		textproc/py-sphinx${MODPY_FLAVOR}
 
 TEST_ENV +=		PYTHONPATH=${WRKSRC}/src/
 
+TEST_DEPENDS =		devel/py-test-cov${MODPY_FLAVOR}
+
 .include <bsd.port.mk>

www/py-waitress/distinfo

@@ -1,2 +1,2 @@
-SHA256 (waitress-1.4.4.tar.gz) = G7Q2UIp0h6xssJeuen/lQTrvymEFULr1jwlA5R7PsmE=
-SIZE (waitress-1.4.4.tar.gz) = 173124
+SHA256 (waitress-2.1.2.tar.gz) = eApAgsX7wP3movz+Xibm78Ho9CVzCGPAQIV2l4H1Hro=
+SIZE (waitress-2.1.2.tar.gz) = 179823

www/py-waitress/patches/patch-setup_cfg

@@ -1,14 +0,0 @@
-Remove --cov option that doesn't work even if py-test-cov is installed
-
-Index: setup.cfg
---- setup.cfg.orig
-+++ setup.cfg
-@@ -67,7 +67,7 @@ python_files = test_*.py
- python_classes = Test_*
- testpaths = 
- 	tests
--addopts = -W always --cov
-+addopts = -W always
- 
- [egg_info]
- tag_build = 

www/py-waitress/pkg/DESCR

@@ -1,5 +1,5 @@
-Waitress is meant to be a production-quality pure-Python WSGI server with very
-acceptable performance. It has no dependencies except ones which live in the
-Python standard library. It runs on CPython on Unix and Windows under Python
-2.7+ and Python 3.3+. It is also known to run on PyPy 1.6.0+ on UNIX. It
-supports HTTP/1.0 and HTTP/1.1.
+Waitress is meant to be a production-quality pure-Python WSGI server
+with very acceptable performance. It has no dependencies except
+ones which live in the Python standard library. It runs on CPython
+on Unix and Windows under Python 3.7+. It is also known to run on
+PyPy 3 on UNIX. It supports HTTP/1.0 and HTTP/1.1.