MNT: Fix lock file checking (#965)

* MNT: Fix deprecated check lock target

* MNT: Refresh lock file

Author: ghisvail

Makefile

@@ -10,7 +10,7 @@ help: Makefile
 
 .PHONY: check.lock
 check.lock:
-	@$(POETRY) lock --check
+	@$(POETRY) check --lock
 
 # clean			: Clean project tree.
 .PHONY: clean