update uml action to not install requirements

[github-actions[bot]]

:point_left: Launch a binder notebook on this branch for commit 3595e39c4563c43482064c2892761a343d62215f

I will automatically update this comment whenever this PR is modified

:point_left: Launch a binder notebook on this branch for commit 33c0ea456b08197c4501f28bbaaeeaf5efdc50af

:point_left: Launch a binder notebook on this branch for commit 9530bfa1e029e348cdd8c06125cbbfbe344f96e5

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:point_left: Launch a binder notebook on this branch for commit c9ad4152d966ff2fe19c42cd8bf20dc0131c92c4

:point_left: Launch a binder notebook on this branch for commit 8e6b353bb97383bc98e73585b08f46a948365bba

[codecov-commenter]

Codecov Report

Base: 57.68% // Head: 57.68% // No change to project coverage :thumbsup:

Coverage data is based on head (c9ad415) compared to base (298204f). Patch has no changes to coverable lines.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## development #406 +/- ## ============================================ Coverage 57.68% 57.68% ============================================ Files 31 31 Lines 2302 2302 Branches 444 444 ============================================ Hits 1328 1328 Misses 890 890 Partials 84 84 ``` Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=icesat2py). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=icesat2py)

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