add defaultReleaseType to be None in autorc file

[RayStick]

Closes #

Problem with a plugin of auto:

Auto found a commit that looked like a conventional commit, and because the default for unknown labels is to "skip" release, it applied a "skip" mark and computed (correctly) the release as no increment:
https://github.com/physiopy/physutils/actions/runs/10497563830/job/29080679203#step:4:611

Proposed Changes

• Add"defaultReleaseType": "none", to the .autorc file

Change Type

• bugfix (+0.0.1)
• minor (+0.1.0)
• major (+1.0.0)
• refactoring (no version update)
• test (no version update)
• infrastructure (no version update)
• documentation (no version update)
• other

Checklist before review

• I added everything I wanted to add to this PR.
• [Code or tests only] I wrote/updated the necessary docstrings.
• [Code or tests only] I ran and passed tests locally.
• [Documentation only] I built the docs locally.
• My contribution is harmonious with the rest of the code: I'm not introducing repetitions.
• My code respects the adopted style, especially linting conventions.
• The title of this PR is explanatory on its own, enough to be understood as part of a changelog.
• I added or indicated the right labels.

• I added information regarding the timeline of completion for this PR.

• Please, comment on my PR while it's a draft and give me feedback on the development!

[RayStick]

@smoia I think this will work but how best to test it?

[smoia]

I think this has to go into the conventional commit plugin instead?

[RayStick]

You might be right! Let me take a closer look