welcome to the community. If i remember correct you will need to reach out to the official support via https://support.atlassian.com/contact/#/ to request an explicit gc.
In addition https://support.atlassian.com/bitbucket-cloud/docs/reduce-repository-size/ provides additional information on how to reduce repo sizes
Hey Community! We’re willing to wager that quite a few of you not only use Bitbucket, but administer it too. Our team is excited to share that we’ll be releasing improvements throughout this month of...
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