chore(deps): update @slack/bolt requirement from ^4.2.0 to ^4.2.1 in /examples/deploy-heroku#2477

dependabot[bot] merged 1 commit intomainslackapi/bolt-js:mainfrom

dependabot/npm_and_yarn/examples/deploy-heroku/slack/bolt-tw-4.2.1slackapi/bolt-js:dependabot/npm_and_yarn/examples/deploy-heroku/slack/bolt-tw-4.2.1Copy head branch name to clipboard