Test on Julia 1.5

[lostella]

No description provided.

[codecov-commenter]

Codecov Report

Merging #43 into master will decrease coverage by 0.12%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #43      +/-   ##
==========================================
- Coverage   86.10%   85.97%   -0.13%     
==========================================
  Files          17       17              
  Lines         777      777              
==========================================
- Hits          669      668       -1     
- Misses        108      109       +1     

Impacted Files	Coverage Δ
src/algorithms/drls.jl	92.30% <0.00%> (-1.54%)	⬇️

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