Update local venv creation to avoid a bug in pip (#399)

This PR fixes an error while creating a local venv due to a bug in pip.
It is also a follow-up to the second commit in #393.
For more info, see pypa/pip#9644.

mk/setup.mk

@@ -131,7 +131,8 @@ build:
 venv:
 	@echo ">Creating venv for local development environment"
 	python3.9 -m venv venv
-	source venv/bin/activate && pip install wheel && pip install -r requirements.txt -r devel-requirements.txt $$([ -f local-requirements.txt ] && echo '-r local-requirements.txt')
+	# --no-deps is a workaround to https://github.com/pypa/pip/issues/9644, see tox.ini for more info
+	source venv/bin/activate && pip install wheel && pip install -r requirements.txt -r devel-requirements.txt $$([ -f local-requirements.txt ] && echo '-r local-requirements.txt') --no-deps
 
 
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