Run tests with --depwarn=error

[codecov[bot]]

Codecov Report

Merging #381 into master will decrease coverage by 0.06%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #381      +/-   ##
==========================================
- Coverage   90.61%   90.54%   -0.07%     
==========================================
  Files          26       26              
  Lines        1534     1534              
==========================================
- Hits         1390     1389       -1     
- Misses        144      145       +1     

Impacted Files	Coverage Δ
src/deprecated.jl	86.66% <0.00%> (-6.67%)	:arrow_down:

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[tkf]

@mergifyio rebase

[mergify[bot]]

Command rebase: success