Update dependency org.springdoc:springdoc-openapi-starter-webmvc-ui to v2.8.12

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
org.springdoc:springdoc-openapi-starter-webmvc-ui (source)	2.8.11 -> 2.8.12

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Release Notes

springdoc/springdoc-openapi (org.springdoc:springdoc-openapi-starter-webmvc-ui)

v2.8.12

Compare Source

Changed

• Upgrade swagger-ui to v5.28.0
• Upgrade commons-lang3 to v3.18.0

Fixed

• #​3073 - Duplicate key class Parameter when documenting two GET methods with same path and PathVariable.
• #​3071 - @​io.swagger.v3.oas.annotations.parameters.RequestBody does not work well with @​RequestPart
• #​3066 - Parameter is now required after upgrading to springdoc-openapi 2.8.10

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