Update dependency compression to v1.7.2

[renovate[bot]]

This Pull Request updates dependency compression from v1.7.1 to v1.7.2

Release Notes

### [`v1.7.2`](https://github.com/expressjs/compression/blob/master/CHANGELOG.md#​172--2018-02-18) ================== * deps: compressible@​~2.0.13 - deps: mime-db@​'>= 1.33.0 < 2' ---

Commits

#### v1.7.2 - [`98f6d8c`](https://github.com/expressjs/compression/commit/98f6d8c1f804fcb16b08ea3f461e91aa1cc3b08f) deps: compressible@​~2.0.12 - [`94d2190`](https://github.com/expressjs/compression/commit/94d219034b489043251d7ff52245cf274b900471) build: Node.js@​8.8 - [`9f23392`](https://github.com/expressjs/compression/commit/9f23392e3ca48af0cacb9fc5c83570367d5eef19) build: eslint-plugin-import@​2.8.0 - [`62fcc91`](https://github.com/expressjs/compression/commit/62fcc91b925db555db1248636ae96f9f70efebe2) build: eslint-plugin-node@​5.2.1 - [`3a240f6`](https://github.com/expressjs/compression/commit/3a240f6e35c95866332655b0929fd6603c7df3b3) build: eslint-plugin-promise@​3.6.0 - [`e563547`](https://github.com/expressjs/compression/commit/e563547ca7e6b69de812c664c0831063186bec7f) docs: remove gratipay badge - [`0647af7`](https://github.com/expressjs/compression/commit/0647af70be5ed6d51193b30a8fb1de8dab63b75f) build: Node.js@​6.12 - [`0ea2d28`](https://github.com/expressjs/compression/commit/0ea2d28e1d833248c7e0f6e0151adb4e57a3fae5) build: Node.js@​8.9 - [`70e9903`](https://github.com/expressjs/compression/commit/70e9903d55155971693ec6696fa7193329aa3f15) build: support Node.js 9.x - [`059d4f9`](https://github.com/expressjs/compression/commit/059d4f90a46820f7f80587c4a44759282298cd24) deps: compressible@​~2.0.13 - [`6743a2f`](https://github.com/expressjs/compression/commit/6743a2f0fac6a29d094dccddacb7587007c6b341) build: Node.js@​6.13 - [`8e891ba`](https://github.com/expressjs/compression/commit/8e891ba2be7b3fb7c9d12cb34552ed0c26dc33ec) build: Node.js@​9.5 - [`ee3af50`](https://github.com/expressjs/compression/commit/ee3af50b7330588c18d4bfe795b9ab9ddb139a7d) build: use yaml eslint configuration - [`c799d52`](https://github.com/expressjs/compression/commit/c799d52c4b85b1b1b3d891a9bff6d5cd3dd39244) lint: apply standard 11 style - [`20efa15`](https://github.com/expressjs/compression/commit/20efa155bed9ecfb1d94fae3c2a8d338c61a3084) 1.7.2

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This PR has been generated by Renovate Bot.