Target 3.11 when checking black

Signed-off-by: Ole Herman Schumacher Elgesem <ole@northern.tech>

Author: olehermanse

Makefile

@@ -11,7 +11,7 @@ format: venv
 	prettier . --write
 
 lint: venv
-	uv tool run black --check .
+	uv tool run black --check . --target-version py311
 	uv tool run flake8 src/ --ignore=E203,W503,E722,E731 --max-complexity=100 --max-line-length=160
 	uv tool run pyflakes src/
 	uv tool run pyright src/