Update all test dependencies

[atifaziz]

No description provided.

[codecov]

Codecov Report

Merging #755 into master will decrease coverage by 4.52%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #755      +/-   ##
==========================================
- Coverage   93.05%   88.52%   -4.53%     
==========================================
  Files         106      106              
  Lines        3485     3478       -7     
  Branches        0      980     +980     
==========================================
- Hits         3243     3079     -164     
- Misses        242      258      +16     
- Partials        0      141     +141     

Impacted Files	Coverage Δ
MoreLinq/Reactive/Observable.cs	66.66% <0.00%> (-33.34%)	⬇️
MoreLinq/ToDelimitedString.g.cs	38.09% <0.00%> (-30.96%)	⬇️
MoreLinq/ListLike.cs	72.72% <0.00%> (-27.28%)	⬇️
MoreLinq/ReverseComparer.cs	75.00% <0.00%> (-25.00%)	⬇️
MoreLinq/SequenceException.cs	25.00% <0.00%> (-25.00%)	⬇️
MoreLinq/Slice.cs	78.57% <0.00%> (-21.43%)	⬇️
MoreLinq/NestedLoops.cs	80.00% <0.00%> (-20.00%)	⬇️
MoreLinq/Delegating.cs	71.42% <0.00%> (-19.05%)	⬇️
MoreLinq/MoreEnumerable.cs	84.21% <0.00%> (-15.79%)	⬇️
MoreLinq/WindowRight.cs	85.00% <0.00%> (-15.00%)	⬇️
... and 62 more

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[atifaziz]

Coverage seems to have dropped a bit. Wonder if it's due to coverlet-coverage/coverlet#810? 💭