fix: make a json dict for the GitHub output#829

mergify[bot] merged 2 commits intomainMergifyio/mergify-cli:mainfrom

devs/sileht/step-name/I294c5f828801ad06a6ed613a127ed1b9315e40aaMergifyio/mergify-cli:devs/sileht/step-name/I294c5f828801ad06a6ed613a127ed1b9315e40aaCopy head branch name to clipboard