build: add --no-user for pip commands in Makefile

I ran into "Cannot combine --user and --target" in an environment and
adding --no-user seemed to fix it.

Refs: https://stackoverflow.com/a/67259534/436641

PR-URL: #40169
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Christian Clauss <cclauss@me.com>

Makefile

@@ -1392,8 +1392,8 @@ cpplint: lint-cpp
 # Try with '--system' if it fails without; the system may have set '--user'
 lint-py-build:
 	$(info Pip installing flake8 linter on $(shell $(PYTHON) --version)...)
-	$(PYTHON) -m pip install --upgrade -t tools/pip/site-packages flake8 || \
-		$(PYTHON) -m pip install --upgrade --system -t tools/pip/site-packages flake8
+	$(PYTHON) -m pip install --no-user --upgrade -t tools/pip/site-packages flake8 || \
+		$(PYTHON) -m pip install --no-user --upgrade --system -t tools/pip/site-packages flake8
 
 ifneq ("","$(wildcard tools/pip/site-packages/flake8)")
 .PHONY: lint-py
@@ -1412,8 +1412,8 @@ endif
 # Try with '--system' if it fails without; the system may have set '--user'
 lint-yaml-build:
 	$(info Pip installing yamllint on $(shell $(PYTHON) --version)...)
-	$(PYTHON) -m pip install --upgrade -t tools/pip/site-packages yamllint || \
-		$(PYTHON) -m pip install --upgrade --system -t tools/pip/site-packages yamllint
+	$(PYTHON) -m pip install --no-user --upgrade -t tools/pip/site-packages yamllint || \
+		$(PYTHON) -m pip install --no-user --upgrade --system -t tools/pip/site-packages yamllint
 
 .PHONY: lint-yaml
 # Lints the YAML files with yamllint.