Update elasticsearch to the latest version 🚀

[greenkeeper]

Version 15.0.0 of elasticsearch was just published.

Dependency	elasticsearch
Current Version	14.2.2
Type	devDependency

The version 15.0.0 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.

It might be worth looking into these changes and trying to get this project onto the latest version of elasticsearch.

If you have a solid test suite and good coverage, a passing build is a strong indicator that you can take advantage of these changes directly by merging the proposed change into your project. If the build fails or you don’t have such unconditional trust in your tests, this branch is a great starting point for you to work on the update.

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Commits

The new version differs by 11 commits.

• 115e7d6 version 15.0.0
• f493527 [eslint] fix no-unused-vars violations
• 8989135 [eslint] fix no-unused-expressions violations
• 3c692c1 [apis] regenerate
• 2925948 [generate/api] ensure that paths start with a /
• a1042f6 [esApi/master] use /index/type/_mapping versions of indices.putMapping
• ee09e1e [eslint] lint the whole repo, rely on ignores for file selection
• 4156fec remove deepMerge util
• f1de944 Upgrade to lodash v4 (#660)
• 4cd2b3e Fix word mixup in docs (#658)
• 3109b40 [apis] regenerate

See the full diff

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