Fix creation of dense similar for linalg

[kshyatt]

I think this should fix this for GPU arrays. It would be helpful to set up a build kite pipeline/JLArrays tests for this package at some point. Anyway, this is a bit ugly, but since the needed similar(::Type{TA},...) methods in Base aren't available on 1.10 and 1.12, it seemed like the simplest way...

[github-actions]

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[codecov]

Codecov Report

❌ Patch coverage is 90.90909% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 56.20%. Comparing base (cf8a145) to head (aadf49a).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/auxiliary/blockarrays.jl	85.71%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #52      +/-   ##
==========================================
- Coverage   56.27%   56.20%   -0.08%     
==========================================
  Files          20       20              
  Lines        1434     1443       +9     
==========================================
+ Hits          807      811       +4     
- Misses        627      632       +5     

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[lkdvos]

Thanks, this looks like a very clean fix indeed!