bump CUDSS version and add CUDSS tests

[oscardssmith]

to ensure we have exanauts/CUDSS.jl#117 which is necessary for lu_instance to be valid to call with lu!

We expect tests to fail here until the new CUDSS is tagged (which should be soon)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (994bc7b) to head (a266d9f).
⚠️ Report is 4 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (994bc7b) and HEAD (a266d9f). Click for more details.

HEAD has 10 uploads less than BASE

Flag	BASE (994bc7b)	HEAD (a266d9f)
	17	7

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #472       +/-   ##
==========================================
- Coverage   61.13%   0.00%   -61.14%     
==========================================
  Files          13      13               
  Lines         579     574        -5     
==========================================
- Hits          354       0      -354     
- Misses        225     574      +349     

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