Harden deploy memory watchdog; fix phone-signer 'step 5 of 4'#22

UtkarshBhardwaj007 merged 1 commit intomainparitytech/playground-cli:mainfrom

ub/deploy-watchdog-and-signing-counter-fixesparitytech/playground-cli:ub/deploy-watchdog-and-signing-counter-fixesCopy head branch name to clipboard