fix(deps): update dependency koa to v2.14.2

[tradeshift-renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
koa	dependencies	patch	2.14.1 -> 2.14.2

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Release Notes

koajs/koa (koa)

### [`v2.14.2`](https://togithub.com/koajs/koa/compare/2.14.1...2.14.2) [Compare Source](https://togithub.com/koajs/koa/compare/2.14.1...2.14.2)

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