CompatHelper: bump compat for SparseArraysBase to 0.6, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the SparseArraysBase package from 0.5 to 0.5, 0.6.
This keeps the compat entries for earlier versions.

Note: I have not tested your package with this new compat entry.
It is your responsibility to make sure that your package tests pass before you merge this pull request.

[codecov]

Codecov Report

Attention: Patch coverage is 57.14286% with 6 lines in your changes missing coverage. Please review.

Project coverage is 76.95%. Comparing base (44574b8) to head (6bc532b).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
src/blocksparsearrayinterface/getunstoredblock.jl	50.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #160      +/-   ##
==========================================
- Coverage   77.11%   76.95%   -0.17%     
==========================================
  Files          36       36              
  Lines        2032     2035       +3     
==========================================
- Hits         1567     1566       -1     
- Misses        465      469       +4     

Flag	Coverage Δ
docs	7.33% <35.71%> (+0.13%)	⬆️

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