Project.toml, not REQUIRE

[dmbates]

Perhaps this is a carry-over from R package thinking?

[codecov]

Codecov Report

Merging #172 (fb68703) into master (0dba319) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #172      +/-   ##
==========================================
+ Coverage   85.72%   85.74%   +0.01%     
==========================================
  Files          29       29              
  Lines       11805    11805              
==========================================
+ Hits        10120    10122       +2     
+ Misses       1685     1683       -2     

Impacted Files	Coverage Δ
src/phyLiNCoptimization.jl	94.57% <0.00%> (+0.27%)	⬆️

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[cecileane]

indeed, thanks!