Add new bucket utilities

[ghiggi]

Prework

• I understand and agree to this repository's code of conduct.
• I understand and agree to this repository's contributing guidelines.
• I have already submitted an issue or discussion thread to discuss my idea with the maintainers.

What kind of change does this PR introduce? (check at least one)

• Bugfix
• Feature
• Documentation
• Tutorial
• Code style update
• Refactor
• Build-related changes
• Other, please describe:

Does this PR introduce a breaking change? (check one)

• Yes
• No

If yes, please describe the impact and communicate accordingly:

The PR fulfills these requirements:

• It's submitted to the branch named as follow:
  • Fix a bug: bugfix-<some_key>-<word>
  • Improve the doc: doc-<some_key>-<word>
  • Improve a tutorial tutorial-<some_key>-<word>
  • Add a new feature: feature-<some_key>-<word>
  • Refactor some code: refactor-<some_key>-<word>
  • Optimize some code: optimize-<some_key>-<word>
• When resolving a specific issue, it's referenced in the PR's title (e.g. fix #xxx[,#xxx], where "xxx" is the issue number)
• Don't forget to link PR to issue if you are solving one.
• All tests are passing.
• New/updated tests are included

If adding a new feature, the PR's description includes:

• A convincing reason for adding this feature (to avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on it)

Other information:

Related GitHub issues and pull requests

• Ref: #

Summary

Please explain the purpose and scope of your contribution.

[codecov]

Codecov Report

Attention: Patch coverage is 24.32432% with 84 lines in your changes missing coverage. Please review.

Project coverage is 93.93%. Comparing base (5f030ab) to head (a69dca5).

Files with missing lines	Patch %	Lines
gpm/bucket/analysis.py	0.00%	50 Missing ⚠️
gpm/dataset/crs.py	0.00%	16 Missing ⚠️
gpm/visualization/facetgrid.py	30.00%	14 Missing ⚠️
gpm/visualization/plot.py	84.21%	3 Missing ⚠️
gpm/utils/checks.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #68      +/-   ##
==========================================
- Coverage   94.43%   93.93%   -0.50%     
==========================================
  Files         134      127       -7     
  Lines       15404    15318      -86     
==========================================
- Hits        14546    14389     -157     
- Misses        858      929      +71     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[coveralls]

coverage: 93.935% (-0.5%) from 94.43%
when pulling a69dca5 on add-misc
into 5f030ab on main.