Py-swagger-ui

This release fixes a regression (4912), in which some OpenAPI 3 definitions would not have their Servers block rendered.

**Interface changes**: none.

**Changelog**:
* improvement: nest Servers within Schemes container (via 4911)
* improvement: multipart + formencoded rendering (via 4910)
* fix: add client_id and client_secret to form when type is request-body (via 4213)

**Interface changes**: added `CONFIG_URL` option for Docker image.

**Changelog**:
- feat(docker): allow configUrl to be used in Docker (via 4881)
- fix(docker): make shell script executable (via 4876)
- fix: tolerate callback parameter values in ParameterRow (via 4873)
- fix: safeguard Models from non-object schema content (via 4868)

**Interface changes**: none.

**Changelog**:
- bugfix: gracefully handle empty request bodies (via 4859)
- bugfix: resolved model data invalidation (via 4858)
- bugfix: remove remaining reference to Titillium webfont (via 4840)
- housekeeping: integrate Cypress in main `test` script (via 4847)
- fix(deeplinking): expand containing tag when expanding an operation (via 4837)

**Interface changes**: none.

**Changelog**:
- improvement: omit deprecated fields in examples (via 4758)
- improvement: use nginx base Docker image (via 4796)
- improvement: urlencoded Request Body rendering (via 4823)
- fix: deep link fragment escaping (via 4832)
- fix: invalid Operation element IDs for multi-word tags & operationIds (via 4538, 4828)
- fix: incorrect usage of lodash.lowerCase (via 4200)
- meta: introduce Cypress end-to-end testing (via 4827)

**Interface changes**: none.

**Changelog**:
- improvement: slim down Docker build context (via 4799)
- improvement: move operation JumpToPath (via 4760)
- improvement: include more error data from authorization call (via 4801)