package/python-twisted: bump to version 20.3.0

Update in the copyright year of the license file:

-Copyright (c) 2001-2019
+Copyright (c) 2001-2020

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/python-twisted/python-twisted.hash

@@ -1,5 +1,5 @@
 # md5, sha256 from https://pypi.org/pypi/twisted/json
-md5 f2d70f7a66ecdf54152310164cceadfe Twisted-19.10.0.tar.bz2
-sha256 7394ba7f272ae722a74f3d969dcf599bc4ef093bc392038748a490f1724a515d Twisted-19.10.0.tar.bz2
+md5  fc16d575730db7d0cddd09fc35af3eea  Twisted-20.3.0.tar.bz2
+sha256  d72c55b5d56e176563b91d11952d13b01af8725c623e498db5507b6614fc1e10  Twisted-20.3.0.tar.bz2
 # Locally computed sha256
-sha256 85b798413ba885b06cc1b91efe857a39f694071c29b04e80d23ea26ee271d613 LICENSE
+sha256  98426fd47315df70098e0d85efbb5d7dd8001c9c536386937354640d6d8d75b9  LICENSE

package/python-twisted/python-twisted.mk

@@ -4,9 +4,9 @@
 #
 ################################################################################
 
-PYTHON_TWISTED_VERSION = 19.10.0
+PYTHON_TWISTED_VERSION = 20.3.0
 PYTHON_TWISTED_SOURCE = Twisted-$(PYTHON_TWISTED_VERSION).tar.bz2
-PYTHON_TWISTED_SITE = https://files.pythonhosted.org/packages/0b/95/5fff90cd4093c79759d736e5f7c921c8eb7e5057a70d753cdb4e8e5895d7
+PYTHON_TWISTED_SITE = https://files.pythonhosted.org/packages/4a/b4/4973c7ccb5be2ec0abc779b7d5f9d5f24b17b0349e23240cfc9dc3bd83cc
 PYTHON_TWISTED_SETUP_TYPE = setuptools
 PYTHON_TWISTED_LICENSE = MIT
 PYTHON_TWISTED_LICENSE_FILES = LICENSE