fix(cli): add --exit flag to mocha e2e config to prevent test hanging#7934

Mo-Hussain merged 1 commit intomainhyperlane-xyz/hyperlane-monorepo:mainfrom

fix/mocha-e2e-exit-flaghyperlane-xyz/hyperlane-monorepo:fix/mocha-e2e-exit-flagCopy head branch name to clipboard