build: Reinstate macOS CI builds of Comet with Spark 4.0

[manuzhang]

Which issue does this PR close?

Closes #1949.

Rationale for this change

What changes are included in this PR?

How are these changes tested?

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 59.60%. Comparing base (f09f8af) to head (b2a13ff).
⚠️ Report is 784 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2950      +/-   ##
============================================
+ Coverage     56.12%   59.60%   +3.47%     
- Complexity      976     1381     +405     
============================================
  Files           119      167      +48     
  Lines         11743    15493    +3750     
  Branches       2251     2568     +317     
============================================
+ Hits           6591     9234    +2643     
- Misses         4012     4959     +947     
- Partials       1140     1300     +160     

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[andygrove]

Thanks @manuzhang