[ADD] Older versions compatibility.

[josep-tecnativa]

Since this changes f4bc534 pre-commit for odoo < 13 were not really supported.

• Test template on v10
• Test template on v15
• Test template on v16

In order to test template from PR, we can run:
copier copy --vcs-ref add-odoo-lt13-pre-commit-comp --trust gh:Tecnativa/doodba-copier-template .

[pedrobaeza]

Why changing this and the others in the file? Isn't better to create a new file for those needing these versions?

[josep-tecnativa]

I have changed those versions, adapting them to ones that are compatible with Odoo versions lower than 13.0.

Regarding your suggestion to use different files, this is not possible because the project already has a pre-commit-config.yaml to manage the hooks for the doodba-copier-template. If we have a single pre-commit-config.yaml.jinja file, when the scaffolding is generated, it overwrites the pre-commit-config.yaml. However, if I create files like {% if odoo_version >= 13 %}pre-commit-config.yaml{% endif %}.jinja, as you mentioned, we end up with the pre-commit-config.yaml from the doodba-copier-template, which is not what we want.