Upgrade a lot of dependencies.

[s-shin]

No description provided.

[codecov]

Codecov Report

Merging #12 into master will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #12      +/-   ##
==========================================
+ Coverage   78.74%   78.75%   +0.01%     
==========================================
  Files          17       17              
  Lines        1303     1304       +1     
  Branches      292      292              
==========================================
+ Hits         1026     1027       +1     
  Misses        277      277

Impacted Files	Coverage Δ
packages/eventemitter-util/src/index.ts	82.35% <0%> (+1.1%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 9606129...ddcb4fe. Read the comment docs.

[s-shin]

TODO: Fix scripts/merge-covs.js (istanbuljs/istanbuljs#321)

[s-shin]

hint: https://github.com/facebook/jest/pull/8294/files#diff-344ca811a2be50851b698049112a136f