chore(Makefile): Relabel the volume for selinux compatibility (argoproj-labs#2207)

Signed-off-by: Oliver Gondža <ogondza@gmail.com>

Author: olivergondza

Makefile

@@ -387,4 +387,4 @@ update-dependencies:
 
 .PHONY: serve-docs
 serve-docs: ## Serve documentation locally using mkdocs in a container
-	$(CONTAINER_RUNTIME) run --rm -it -p 8000:8000 -v $(PWD):/argocd-operator -w /argocd-operator --name argocd-operator-mkdocs registry.access.redhat.com/ubi9/python-311:latest /bin/bash -c "pip install -r docs/requirements.txt && mkdocs serve -a 0.0.0.0:8000"
+	$(CONTAINER_RUNTIME) run --rm -it -p 8000:8000 -v $(PWD):/argocd-operator:Z -w /argocd-operator --name argocd-operator-mkdocs registry.access.redhat.com/ubi9/python-311:latest /bin/bash -c "pip install -r docs/requirements.txt && mkdocs serve -a 0.0.0.0:8000"