[REF] deployv_addon_gitlab_tools: Ignore 0 tests 'warnings'

Newer Odoo versions is showing a WARNING when there are not tests to run

The log warning is the following: - WARNING db odoo.tests.runner: 0 failed, 0 error(s) of 0 tests when loading database 'db'

But new projects doens't have tests in the first time

So, the "warnings" pipeline could be raised

But it is not a warning easy to fix in the first step

So, it is better to ignore it

Dummy MR: https://git.vauxoo.com/absa/absa/-/merge_requests/2512 Discussion related: https://git.vauxoo.com/absa/absa/-/merge_requests/2512#note_425193

Tested locally:

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