CompatHelper: bump compat for KernelAbstractions to 0.9, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the KernelAbstractions package from 0.8 to 0.8, 0.9.
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-commenter]

Codecov Report

Patch coverage has no change and project coverage change: -78.70 ⚠️

Comparison is base (634f99b) 94.13% compared to head (1cd02b8) 15.44%.

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Additional details and impacted files

@@             Coverage Diff             @@
##             main      #16       +/-   ##
===========================================
- Coverage   94.13%   15.44%   -78.70%     
===========================================
  Files           5        5               
  Lines         273      272        -1     
===========================================
- Hits          257       42      -215     
- Misses         16      230      +214     

see 5 files with indirect coverage changes

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