CompatHelper: bump compat for Cbc to 1, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the Cbc package from 0.8, 0.9 to 0.8, 0.9, 1.
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

Base: 60.22% // Head: 55.94% // Decreases project coverage by -4.27% ⚠️

Coverage data is based on head (e662e52) compared to base (7c6afba).
Patch has no changes to coverable lines.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #100      +/-   ##
===========================================
- Coverage    60.22%   55.94%   -4.28%     
===========================================
  Files           10       10              
  Lines          538      538              
===========================================
- Hits           324      301      -23     
- Misses         214      237      +23     

Impacted Files	Coverage Δ
src/models/qflex.jl	77.41% <0.00%> (-11.30%)	⬇️
src/models/vstab.jl	77.41% <0.00%> (-11.30%)	⬇️
src/models/ploss.jl	75.00% <0.00%> (-9.38%)	⬇️
src/input/tools.jl	77.61% <0.00%> (-7.47%)	⬇️
src/input/pp_to_pm.jl	75.00% <0.00%> (-2.28%)	⬇️

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