make: Add missing sops tooling in machine-check

Makefile

@@ -7,6 +7,7 @@ check-machine: ## Check your local machine setup to be prepared for the installa
 	command -v kubectl >/dev/null
 	command -v ansible >/dev/null
 	command -v flux >/dev/null
+	command -v sops >/dev/null
 	command -v terraform >/dev/null
 
 .PHONY: deploy