Pin dependencies

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ava (source)	devDependencies	pin	^0.19.1 -> 0.19.1
babel-cli (source)	devDependencies	pin	^6.24.1 -> 6.26.0
babel-polyfill (source)	devDependencies	pin	^6.23.0 -> 6.26.0
babel-preset-latest (source)	devDependencies	pin	^6.24.1 -> 6.24.1
codeclimate-test-reporter	devDependencies	pin	^0.5.0 -> 0.5.1
coveralls	devDependencies	pin	^2.13.1 -> 2.13.3
esdoc (source)	devDependencies	pin	^0.5.2 -> 0.5.2
nyc	devDependencies	pin	^11.0.2 -> 11.9.0

📌 Important: Renovate will wait until you have merged this Pin PR before creating any upgrade PRs for the affected packages. Add the preset :preserveSemverRanges your config if you instead don't wish to pin dependencies.

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[coveralls]

Coverage remained the same at 95.652% when pulling 6c017cf on renovate/pin-dependencies into 54cfb1b on master.