AlignTraj Writer kwargs fix

[ljwoods2]

Fixes #4564

Changes made in this Pull Request:

• Updated AlignTraj's writer constructor to take kwargs
• Wrote test in test_align.py using xtc writer with "precision" kwarg

PR Checklist

• [x] Tests?
• [x] Docs?
• [x] CHANGELOG updated?
• [x] Issue raised/referenced?

Developers certificate of origin

• [x] I certify that this contribution is covered by the LGPLv2.1+ license as defined in our LICENSE and adheres to the Developer Certificate of Origin.

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📚 Documentation preview 📚: https://mdanalysis--4565.org.readthedocs.build/en/4565/

[pep8speaks]

Hello @ljwoods2! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file package/MDAnalysis/analysis/align.py:

Line 1672:20: W292 no newline at end of file

Comment last updated at 2024-05-26 22:47:41 UTC

[github-actions[bot]]

Linter Bot Results:

Hi @ljwoods2! Thanks for making this PR. We linted your code and found the following:

Some issues were found with the formatting of your code.

Code Location	Outcome
main package	⚠️ Possible failure
testsuite	⚠️ Possible failure

Please have a look at the darker-main-code and darker-test-code steps here for more details: https://github.com/MDAnalysis/mdanalysis/actions/runs/9246734685/job/25434607268

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Please note: The black linter is purely informational, you can safely ignore these outcomes if there are no flake8 failures!

[codecov[bot]]

Codecov Report

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

Project coverage is 93.41%. Comparing base (2c6e21f) to head (52aaedb). Report is 18 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #4565      +/-   ##
===========================================
- Coverage    93.64%   93.41%   -0.24%     
===========================================
  Files          168      180      +12     
  Lines        21254    22167     +913     
  Branches      3918     3919       +1     
===========================================
+ Hits         19904    20707     +803     
- Misses         892     1000     +108     
- Partials       458      460       +2     

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[ljwoods2]

My apologies, I forgot to turn off my autoformatter