chore(deps): update dependency @nuxtjs/proxy to v2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@nuxtjs/proxy	dependencies	major	^1.3.3 -> ^2.0.0

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Release Notes

nuxt-community/proxy-module

### [`v2.0.0`](https://togithub.com/nuxt-community/proxy-module/blob/master/CHANGELOG.md#​200-httpsgithubcomnuxt-communityproxy-modulecomparev133v200-2020-06-03) [Compare Source](https://togithub.com/nuxt-community/proxy-module/compare/v1.3.3...v2.0.0) ##### ⚠ BREAKING CHANGES - Bumping major version as http-proxy-middleware may introduce some usage regressions ##### Features - bump to 2.x ([57eb492](https://togithub.com/nuxt-community/proxy-module/commit/57eb492c42cea6b6e90e4348065da308274fbc8a)) - upgrade to `http-proxy-middleware` 1.0.1 ([0277f6d](https://togithub.com/nuxt-community/proxy-module/commit/0277f6d0c753a73b2b4ab15223c1a5f9da0085ca)) ##### Bug Fixes - **module:** use logger ([#​40](https://togithub.com/nuxt-community/proxy-module/issues/40)) ([6bfbcad](https://togithub.com/nuxt-community/proxy-module/commit/6bfbcade52c364647c26084eb66a16ff6a7c7e11))

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