I'm a free user of Bitbucket Cloud, and I had the email saying that my workspace was over 1GB and would go into read only mode if I don't do something about it.
I've shrank the biggest repository in my workspace by using git-filter-repo to remove large files from my repo history, which successfully shrank the repository locally. I have followed their instructions to push it back to bitbucket cloud, but the size reported in bitbucket cloud hasn't changed, so I'd like to request that you initiate a manual garbage collection on it.