CTIP Parser always overwrites feed.name

The CTIP Parser always sets feed.name to what is found in the data:

intelmq/intelmq/bots/parsers/microsoft/parser_ctip.py

Line 85 in e098e5e

"DataFeed": "feed.name",

intelmq/intelmq/bots/parsers/microsoft/parser_ctip.py

Lines 287 to 288 in e098e5e

	if AZURE[key] != '__IGNORE__':
	event.add(AZURE[key], value, overwrite=True)

This field should be left as is, if not explicitly required by the user, e.g. with a overwrite parameter, like it is in the Shadowserver parser.