Migration to version 15.0

[OCA-git-bot]

Todo

https://github.com/OCA/maintainer-tools/wiki/Migration-to-version-15.0

Modules to migrate

• connector_importer
• connector_importer_demo
• connector_importer_product - By @simahawk - [15.0][MIG] connector_importer_product #94
• connector_importer_source_sftp

Missing module? Check https://github.com/OCA/maintainer-tools/wiki/%5BFAQ%5D-Missing-modules-in-migration-issue-list

[github-actions]

There hasn't been any activity on this issue in the past 6 months, so it has been marked as stale and it will be closed automatically if no further activity occurs in the next 30 days.
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[dhx]

Created PR for connector_importer_source_sftp #96