chore: release 4.0.2

[release-please]

🤖 I have created a release *beep* *boop*

4.0.2 (2020-07-09)

Bug Fixes

• typeo in nodejs .gitattribute (#428) (caaeb16)

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This PR was generated with Release Please.

[codecov]

Codecov Report

Merging #429 into master will decrease coverage by 0.10%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #429      +/-   ##
==========================================
- Coverage   37.50%   37.39%   -0.11%     
==========================================
  Files          22       22              
  Lines        2920     2920              
  Branches      126      118       -8     
==========================================
- Hits         1095     1092       -3     
- Misses       1825     1828       +3     

Impacted Files	Coverage Δ
src/lib/config.ts	97.01% <0.00%> (-1.50%)	⬇️
src/lib/update-repo.ts	99.60% <0.00%> (-0.40%)	⬇️
src/lib/github.ts	61.34% <0.00%> (-0.15%)	⬇️

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[yoshi-automation]

Release is at https://github.com/googleapis/github-repo-automation/releases/tag/v4.0.2