python-dns: update to version 2.2.0

- Removed PYPI_SOURCE_EXT as this release provides tarball with .tar.gz
extension, which is default.

- Changelog: https://dnspython.readthedocs.io/en/stable/whatsnew.html

Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>

lang/python/python-dns/Makefile

@@ -8,12 +8,11 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=python-dns
-PKG_VERSION:=2.1.0
+PKG_VERSION:=2.2.0
 PKG_RELEASE:=1
 
 PYPI_NAME:=dnspython
-PYPI_SOURCE_EXT:=zip
-PKG_HASH:=e4a87f0b573201a0f3727fa18a516b055fd1107e0e5477cded4a2de497df1dd4
+PKG_HASH:=e79351e032d0b606b98d38a4b0e6e2275b31a5b85c873e587cc11b73aca026d6
 
 PKG_LICENSE:=ISC
 PKG_LICENSE_FILES:=LICENSE