Bump uv + minor CI cleanups

[danielhollas]

• New uv version let's us drop the editable install in the CI.
• Don't trigger CI on both PRs and Push when the branch is pushed to origin repo
• shorten the CI workflow name so that it is displayed in full on GitHub

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.13%. Comparing base (cc4291b) to head (c9b7924).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #573 +/- ## ========================================== + Coverage 87.07% 96.13% +9.06% ========================================== Files 27 11 -16 Lines 4649 1164 -3485 ========================================== - Hits 4048 1119 -2929 + Misses 601 45 -556 ``` | [Flag](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/573/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab) | Coverage Δ | | |---|---|---| | [python-3.10](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/573/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab) | `96.13% <ø> (+9.06%)` | :arrow_up: | | [python-3.9](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/573/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab) | `96.13% <ø> (+9.02%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab#carryforward-flags-in-the-pull-request-comment) to find out more.

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[danielhollas]

This PR is a mess. I've created #578 that does not contain unrelated changes.