py-pygls: add missing patch, spotted by @wiz

lang/py-pygls/patches/patch-setup.cfg

@@ -0,0 +1,17 @@
+$NetBSD: patch-setup.cfg,v 1.1 2022/08/11 07:03:59 adam Exp $
+
+Do not install package data.
+
+--- setup.cfg.orig	2022-08-02 11:21:17.000000000 +0000
++++ setup.cfg
+@@ -60,10 +60,6 @@ test = 
+ 	pytest==7.1.2
+ 	pytest-asyncio==0.18.3
+ 
+-[options.data_files]
+-lib/site-packages/pygls = 
+-	ThirdPartyNotices.txt
+-	./pygls/py.typed
+ 
+ [flake8]
+ max-line-length = 99