feat(release-detector): Prefer HEROKU_BUILD_COMMIT over deprecated HEROKU_SLUG_COMMIT#2886

ericapisani merged 1 commit intomastergetsentry/sentry-ruby:masterfrom

ep/use-heroku-build-commit-4zmgetsentry/sentry-ruby:ep/use-heroku-build-commit-4zmCopy head branch name to clipboard