Pin upper Python version to 3.10

[weiji14]

Checklist

• Used a personal fork of the feedstock to propose changes
• Bumped the build number (if the version is unchanged)
• Reset the build number to 0 (if the version changed)
• Re-rendered with the latest conda-smithy (Use the phrase @conda-forge-admin, please rerender in a comment in this PR for automated rerendering)
• Ensured the license file is being packaged.

[conda-forge-linter]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe) and found it was in an excellent condition.

[weiji14]

@conda-forge-admin, please rerender

[github-actions]

Hi! This is the friendly automated conda-forge-webservice.

I tried to rerender for you, but it looks like there was nothing to do.

This message was generated by GitHub actions workflow run https://github.com/conda-forge/icepyx-feedstock/actions/runs/3106356470.

[weiji14]

Oops, didn't realize icepyx pinned to <3.10 at https://github.com/icesat2py/icepyx/blob/101c60ddd47cf2023210636fa6fc7af271c4c77a/setup.py#L29, need to unpin thing upstream first.

Edit: PR at icesat2py/icepyx#372

[weiji14]

Removing upper Python version pin in #10.