MNT: Compatibility with astropy v7.1

[pllim]

Description

This pull request is to address compatibility with

• Deprecate multiplying and dividing units with str or bytes astropy/astropy#17586

Change log entry

• Is a change log needed? If yes, is it added to CHANGES.rst? If you want to avoid merge conflicts,
  list the proposed change log here for review and add to CHANGES.rst before merge. If no, maintainer
  should add a no-changelog-entry-needed label.

Checklist for package maintainer(s)

This checklist is meant to remind the package maintainer(s) who will review this pull request of some common things to look for. This list is not exhaustive.

• Are two approvals required? Branch protection rule does not check for the second approval. If a second approval is not necessary, please apply the trivial label.
• Do the proposed changes actually accomplish desired goals? Also manually run the affected example notebooks, if necessary.
• Do the proposed changes follow the STScI Style Guides?
• Are tests added/updated as required? If so, do they follow the STScI Style Guides?
• Are docs added/updated as required? If so, do they follow the STScI Style Guides?
• Did the CI pass? If not, are the failures related?
• Is a milestone set? Set this to bugfix milestone if this is a bug fix and needs to be released ASAP; otherwise, set this to the next major release milestone. Bugfix milestone also needs an accompanying backport label.
• After merge, any internal documentations need updating (e.g., JIRA, Innerspace)? 🐱

[pllim]

This error message was swallowed by the ironic message that was supposed to make things clearer. I took it out of except block.

[codecov]

Codecov Report

Attention: Patch coverage is 90.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 88.12%. Comparing base (982bebb) to head (f5a6eb1).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
jdaviz/core/unit_conversion_utils.py	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3375      +/-   ##
==========================================
- Coverage   88.13%   88.12%   -0.01%     
==========================================
  Files         127      127              
  Lines       19695    19699       +4     
==========================================
+ Hits        17358    17360       +2     
- Misses       2337     2339       +2     

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

[kecnry]

should we backport this or no?

[pllim]

No need to auto backport as I already addressed it in #3376

[pllim]

Thanks for the review!