Upgrade Swagger 2.2.12 -> 2.2.13

[Picnic-Bot]

This PR contains the following updates:

Package	Type	Update	Change
Swagger	compile	patch	2.2.12 -> 2.2.13

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Release Notes

swagger-api/swagger-core

v2.2.13: Swagger-core 2.2.13 released!

Compare Source

• fix: makes populating instance variables accessible to subclasses (#​4434)
• OAS 3.1 - properties and ref as siblings / fix ModelConvertes usage (#​4433)
• support custom annotation for containers (#​4429)

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• If you want to rebase/retry this PR, check this box

[Picnic-Bot]

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Suggested commit message:

Upgrade Swagger 2.2.12 -> 2.2.13 (#698)

See:
- https://github.com/swagger-api/swagger-core/releases/tag/v2.2.13
- https://github.com/swagger-api/swagger-core/compare/v2.2.12...v2.2.13

[sonarqubecloud]

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[github-actions]

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