Update the Tree Package Dependencies

[pulsipher]

This should resolve #271 and #273

[codecov[bot]]

Codecov Report

Merging #276 (05dfe8e) into master (2b383e6) will decrease coverage by 0.21%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #276      +/-   ##
==========================================
- Coverage   99.98%   99.77%   -0.22%     
==========================================
  Files          33       33              
  Lines        6863     7086     +223     
==========================================
+ Hits         6862     7070     +208     
- Misses          1       16      +15     

Impacted Files	Coverage Δ
src/nlp.jl	99.43% <100.00%> (-0.57%)	:arrow_down:
src/MeasureToolbox/expectations.jl	94.20% <0.00%> (-5.80%)	:arrow_down:
src/point_variables.jl	99.52% <0.00%> (-0.48%)	:arrow_down:
src/infinite_variables.jl	99.53% <0.00%> (-0.47%)	:arrow_down:
src/derivatives.jl	99.53% <0.00%> (-0.47%)	:arrow_down:
src/semi_infinite_variables.jl	99.54% <0.00%> (-0.46%)	:arrow_down:
src/scalar_parameters.jl	99.64% <0.00%> (-0.36%)	:arrow_down:
src/expressions.jl	99.67% <0.00%> (-0.33%)	:arrow_down:
src/array_parameters.jl	99.79% <0.00%> (-0.21%)	:arrow_down:
... and 16 more

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