python: update makefile

Author: fairclothjm

python/Makefile

@@ -9,7 +9,7 @@
 install:
 	@command -v python3 >/dev/null 2>&1 || { echo >&2 "Python 3 is required"; exit 1; }
 	[ -d ".venv" ] || python3 -m venv .venv
-	. .venv/bin/activate; pip install -Ur requirements.txt
+	. .venv/bin/activate; pip install --upgrade pip; pip install -Ur requirements.txt
 
 run:
 	. .venv/bin/activate; python3 main.py