format: use make -C instead of cd

Author: o-santi

Makefile

@@ -1,8 +1,11 @@
-.PHONY: ci
+.PHONY: ci, default, pre-commit
 
-pre-commit:
-	uv run pre-commit run --all-files
+default:
+	@echo "Available targets are: ci, pre-commit"
 
 ci: pre-commit
-	cd src/realtime && make tests
-	cd src/supabase && make tests
+	make -C src/realtime tests
+	make -C src/supabase tests
+
+pre-commit:
+	uv run pre-commit run --all-files