Update eslint-config-saiichihashimoto to the latest version 🚀

The devDependency eslint-config-saiichihashimoto was updated from `1.2.38` to `1.2.39`.

This version is not covered by your current version range.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

Release Notes for v1.2.39

1.2.39 (2019-07-04)

Bug Fixes

package: update eslint-plugin-jest to version 22.7.2 (0c839a9)

Commits

The new version differs by 11 commits.

d96a5a9 greenkeeper-keeper(pr: 113): :white_check_mark:
2bcb57c chore(package): update lockfile package-lock.json
0c839a9 fix(package): update eslint-plugin-jest to version 22.7.2
02be5d8 Merge pull request #112 from saiichihashimoto/travis-fix
85e05b0 ci(travis): only build pushed master or pr-ed against master branches
2ff3ee6 Merge pull request #110 from saiichihashimoto/changes
9d1aa22 Merge branch 'master' into changes
a5d40cb Merge pull request #111 from saiichihashimoto/greenkeeper/lint-my-app-3.3.38
c6497d2 ci(travis): cache npm
486efd7 chore(package): update lockfile package-lock.json
7f0262c chore(package): update lint-my-app to version 3.3.38

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saiichihashimoto / mongoose-normalizr