Bump drf-spectacular from 0.17.2 to 0.20.2

[dependabot]

Bumps drf-spectacular from 0.17.2 to 0.20.2.

Changelog

Sourced from drf-spectacular's changelog.

0.20.2 (2021-10-15)

• add setting for manual path prefix: SCHEMA_PATH_PREFIX_INSERT [#567](https://github.com/tfranzel/drf-spectacular/issues/567) <https://github.com/tfranzel/drf-spectacular/issues/567>_
• improve type hint for @​extend_schema_field [#569](https://github.com/tfranzel/drf-spectacular/issues/569) <https://github.com/tfranzel/drf-spectacular/issues/569>_
• bugfix COMPONENT_SPLIT_REQUEST for empty req/resp serializers [#572](https://github.com/tfranzel/drf-spectacular/issues/572) <https://github.com/tfranzel/drf-spectacular/issues/572>_
• Make it cleared that ENUM_NAME_OVERRIDES is a key within SPECTACULAR_SETTINGS [johnthagen]
• Improve formatting in customization docs [johnthagen]
• bugfix @​extend_schema_view on @​api_view [#554](https://github.com/tfranzel/drf-spectacular/issues/554) <https://github.com/tfranzel/drf-spectacular/issues/554>_
• bugfix isolation for @​extend_schema/@​extend_schema_view reorg [#554](https://github.com/tfranzel/drf-spectacular/issues/554) <https://github.com/tfranzel/drf-spectacular/issues/554>_
• Fix inheritance bugs with @​extend_schema_view(). [Nick Pope]
• Allow methods in @​extend_schema to be case insensitive. [Nick Pope]
• Added a documentation blueprint for RapiDoc. [Nick Pope]
• Tidy templates for documentation views. [Nick Pope]
• Use latest version for CDN packages. [Nick Pope]

Breaking changes / important additions:

• Mainly a bugfix release that solves several longstanding issues with @extend_schema_view/@extend_schema annotation isolation. There should be no more side effects from arbitrarily mixing and matching the decorators.
• Improved handling of completely empty serializers with COMPONENT_SPLIT_REQUEST.

0.20.1 (2021-10-03)

• move swagger CDN to jsdelivr (unpkg has been flaky)
• bugfix wrong DIST setting in Redoc [#546](https://github.com/tfranzel/drf-spectacular/issues/546) <https://github.com/tfranzel/drf-spectacular/issues/546>_
• Allow paginated_name customization [Georgy Komarov]

Breaking changes / important additions:

• Hotfix release due to regression in the Redoc template

0.20.0 (2021-10-01)

• Add support for specification extensions. [Nick Pope]
• add example injection for (discovered) parameters [#414](https://github.com/tfranzel/drf-spectacular/issues/414) <https://github.com/tfranzel/drf-spectacular/issues/414>_
• Fix crash with read-only polymorphic sub-serializer. [Nick Pope]
• Add arbitrarily deep ListSerializer nesting [#539](https://github.com/tfranzel/drf-spectacular/issues/539) <https://github.com/tfranzel/drf-spectacular/issues/539>_
• tighten serializer assumptions [#539](https://github.com/tfranzel/drf-spectacular/issues/539) <https://github.com/tfranzel/drf-spectacular/issues/539>_
• fix whitespace stripping on methods
• Rename AutoSchema._map_field_validators() → .insert_field_validators(). [Nick Pope]
• Rename AutoSchema._map_min_max() → .insert_min_max(). [Nick Pope]
• Fix detection of int64 from min/max values. [Nick Pope]
• Fix zero handling in _map_min_max(). [Nick Pope]
• Add support for introspection of nested validators. [Nick Pope]
• Fix invalid schemas caused by validator introspection. [Nick Pope]

... (truncated)

Commits

• 552000d version bump
• 0fff18a add setting for manual path prefix: SCHEMA_PATH_PREFIX_INSERT #567
• 5104ef6 improve type hint for @​extend_schema_field #569
• 52e8250 bugfix COMPONENT_SPLIT_REQUEST for empty req/resp serializers #572
• a058cb8 Merge pull request #571 from johnthagen/patch-1
• ac0d0ca Make it cleared that ENUM_NAME_OVERRIDES is a key within SPECTACULAR_SETTINGS
• 9ab8d44 Merge pull request #566 from johnthagen/patch-1
• a342d9c Fix formatting for RST
• 9e65bce Improve formatting in customization docs
• 37fff30 Merge branch 'pr554'
• Additional commits viewable in compare view

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Superseded by #88.