ovirt_template: modify base template search to return template with lowest version number

[sonneveld]

This is an attempt to fix issue #369 .

Basically it seems like ovirt expects the base template to have the lowest version number, not just 1. If the base template is removed, the new base template is chosen but it means this module will fail as it will probably not be version 1.

I haven't contributed to this project before so I'm happy to adjust the PR after comments.

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[mnecas]

ci test please

[sonneveld]

ci test please

[mwperina]

ci add to whitelist

[mwperina]

+1

[mnecas]

Please add a changelog.

[sonneveld]

Please add a changelog.

Added a changelog. It looked like the next version will be 1.7.0 so I went with that.

[mnecas]

Yeah, my bad did not say how to create the changelog, need to add it to docs.
Fixed it and after CI, will merge, thanks a lot!