Update koa requirement from 2.6.1 to 2.6.2

Updates the requirements on koa to permit the latest version.

Changelog

Sourced from koa's changelog.

2.6.2 / 2018-11-10

fixes

• [9905199] - fix: Status message is not supported on HTTP/2 (#1264) (André Cruz <andre@cabine.org>)

others

• [325792a] - docs: add table of contents for guide.md (#1267) (ZYSzys <zyszys98@gmail.com>)
• [71aaa29] - docs: fix spelling in throw docs (#1269) (Martin Iwanowski <martin@iwanowski.se>)
• [bc81ca9] - chore: use res instead of this.res (#1271) (Jordan <mingmingwon@gmail.com>)
• [0251b38] - test: node v11 on travis (#1265) (Martin Iwanowski <martin@iwanowski.se>)
• [88b92b4] - doc: updated docs for throw() to pass status as first param. (#1268) (Waleed Ashraf <waleedashraf@outlook.com>)

2.6.1 / 2018-10-23

fixes

• [4964242] - fix: use X-Forwarded-Host first on app.proxy present (#1263) (fengmk2 <fengmk2@gmail.com>)

2.6.0 / 2018-10-23

features

• [9c5c58b] - feat: use :authority header of http2 requests as host (#1262) (Martin Michaelis <code@mgjm.de>)
• [9146024] - feat: response.attachment append a parameter: options from contentDisposition (#1240) (小雷 <863837949@qq.com>)

others

• [d32623b] - docs: Update error-handling.md (#1239) (urugator <j.placek@centrum.cz>)

2.5.3 / 2018-09-11

fixes

• [2ee32f5] - fix: pin debug@~3.1.0 avoid deprecated warnning (#1245) (fengmk2 <fengmk2@gmail.com>)

others

• [2180839] - docs: Update koa-vs-express.md (#1230) (Clayton Ray <iamclaytonray@gmail.com>)

2.5.2 / 2018-07-12

• deps: upgrade all dependencies
• perf: avoid stringify when set header (#1220)
• perf: cache content type's result (#1218)
• perf: lazy init cookies and ip when first time use it (#1216)
• chore: fix comment & approve cov (#1214)
• docs: fix grammar
• test&cov: add test case (#1211)
• Lazily initialize request.accept and delegate context.accept (#1209)
• fix: use non deprecated custom inspect (#1198)

... (truncated)

Commits

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