Update dependency hexo-server to v1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
hexo-server (source)	dependencies	major	0.3.3 -> 1.0.0

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Release Notes

hexojs/hexo-server

### [`v1.0.0`](https://togithub.com/hexojs/hexo-server/releases/1.0.0) [Compare Source](https://togithub.com/hexojs/hexo-server/compare/0.3.3...1.0.0) #### Breaking change - Drop node 6 ([#​87](https://togithub.com/hexojs/hexo-server/issues/87)) #### Refactor - Refactor: es2016nify ([#​68](https://togithub.com/hexojs/hexo-server/issues/68)) - refactor: Test refactor es2016 ([#​67](https://togithub.com/hexojs/hexo-server/issues/67)) #### Housekeeping - Move jscs to eslint ([#​65](https://togithub.com/hexojs/hexo-server/issues/65))

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