replace dubnium-alpine with 18-alpine

Bump yaml from 2.2.1 to 2.2.2

Bump semver from 5.7.1 to 5.7.2

fix: kill shinola as it is no longer hosted on Heroku

Bump ajv and widdershins

build: downgrade open to v8.x

build: update deps

Update README.md

Bump urijs from 1.19.6 to 1.19.7

fix: add missing schema reuse for responses, refs #74

fix: scroll schema-editor into view on popup

build: update deps

docs: update OAS links

Bump glob-parent from 5.1.1 to 5.1.2

Bump postcss from 7.0.27 to 7.0.36