Update Documentation infrastructure to v1 (version-1.5) (major)

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
hexo-renderer-ejs	devDependencies	major	0.3.1 -> 1.0.0
hexo-server (source)	devDependencies	major	0.3.3 -> 1.0.0

---

Release Notes

hexojs/hexo-renderer-ejs

### [`v1.0.0`](https://togithub.com/hexojs/hexo-renderer-ejs/releases/1.0.0) [Compare Source](https://togithub.com/hexojs/hexo-renderer-ejs/compare/0.3.1...1.0.0) #### Breaking change - chore: drop node 6 ([#​20](https://togithub.com/hexojs/hexo-renderer-ejs/issues/20)) #### Feature - Upgrade ejs to v2 (w/ comments support) ([#​5](https://togithub.com/hexojs/hexo-renderer-ejs/issues/5)). Support `<%# ... %>`. #### Refactor - refactor: use Object.assign and var to let/const ([#​8](https://togithub.com/hexojs/hexo-renderer-ejs/issues/8)) - chore(eslint): use eslint instead of jscs ([#​10](https://togithub.com/hexojs/hexo-renderer-ejs/issues/10))

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))

---

Renovate configuration

:date: Schedule: "every weekend" in timezone America/Los_Angeles.

:vertical_traffic_light: Automerge: Enabled.

:recycle: Rebasing: Whenever PR becomes conflicted, or if you modify the PR title to begin with "rebase!".

:no_bell: Ignore: Close this PR and you won't be reminded about these updates again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Renovate Bot. View repository job log here.