fix: fixed aira-current in breadcrumb

[guidari]

Closes #18113

Added the aria-current to the span tag that it is generated in the DOM

Testing / Reviewing

• Open Breadcrumb With Overflow Menu stories and turn on the VO.
• You should hear "Breadcrumb 6, current item"

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 83.22%. Comparing base (626289a) to head (72281b2).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...react/src/components/Breadcrumb/BreadcrumbItem.tsx	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #18155      +/-   ##
==========================================
+ Coverage   82.87%   83.22%   +0.34%     
==========================================
  Files         404      404              
  Lines       14338    14339       +1     
  Branches     4591     4592       +1     
==========================================
+ Hits        11882    11933      +51     
+ Misses       2296     2245      -51     
- Partials      160      161       +1     

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