@Vlad Costa Welcome to Microsoft Q&A Forum, Thank you for posting your query here
Since the issue is related to migrating data from Azure Storage account to Google Storage account, I don't have much detailed information and expertise on this issue, However, let me share some insights on your query.
How to Migrate Data from Azure Storage Account to Google Cloud Storage Buckets
Moving Files from Azure blob storage to Google cloud storage bucket
Transfer file from Azure Blob Storage to Google Cloud Storage programmatically
Please let us know if you have any further queries. I’m happy to assist you further.
Please do not forget to "Accept the answer” and “up-vote” wherever the information provided helps you, this can be beneficial to other community members.