fix(notifications): Update to latest firebase bom

[mattcreaser]

• PR title and description conform to Pull Request guidelines.

Issue #, if available:

Description of changes:

• Updates firebase to the latest version. This fixes duplicate class errors for customers who are trying to use recent versions of the firebase-messaging artifact because the -ktx artifact classes have been merged into the main artifact.
• Migrates to using the firebase bom.

How did you test these changes?

Documentation update required?

• No
• Yes (Please include a PR link for the documentation update)

General Checklist

• Added Unit Tests
• Added Integration Tests
• Security oriented best practices and standards are followed (e.g. using input sanitization, principle of least privilege, etc)
• Ensure commit message has the appropriate scope (e.g fix(storage): message, feat(auth): message, chore(all): message)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.45%. Comparing base (d530c3e) to head (763e917).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3086   +/-   ##
=======================================
  Coverage   54.45%   54.45%           
=======================================
  Files        1038     1038           
  Lines       31713    31713           
  Branches     4598     4598           
=======================================
+ Hits        17269    17270    +1     
- Misses      12675    12676    +1     
+ Partials     1769     1767    -2     

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