[CI] remove all conda and move to uv

[oulgen]

Stacked PRs:

• ->[CI] remove all conda and move to uv #1181

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[CI] remove all conda and move to uv

[malfet]

SGTM, though if you are using github runners, why not use https://github.com/actions/setup-python and rely on whatever mechanism GH prefers?

[oulgen]

SGTM, though if you are using github runners, why not use https://github.com/actions/setup-python and rely on whatever mechanism GH prefers?

i need to still pip install stuff, isnt uv pip faster?

[malfet]

SGTM, though if you are using github runners, why not use https://github.com/actions/setup-python and rely on whatever mechanism GH prefers?

i need to still pip install stuff, isnt uv pip faster?

I don't know, but setup-python have some mechanism for caching those installs across invocations, which probably makes it more reliable, but all of that is moot at this point