chore(deps): update dependency bundlesize to ^0.18.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
bundlesize	devDependencies	minor	^0.17.2 -> ^0.18.0

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Release Notes

siddharthkp/bundlesize

### [`v0.18.0`](https://togithub.com/siddharthkp/bundlesize/releases/v0.18.0) [Compare Source](https://togithub.com/siddharthkp/bundlesize/compare/v0.17.2...v0.18.0) 1. Use cosmic config to allow config to be in an external file [#​316](https://togithub.com/siddharthkp/bundlesize/issues/316) 2. Remove overly critical checks [#​317](https://togithub.com/siddharthkp/bundlesize/issues/317)

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