Bump swaggerVersion from 2.1.5 to 2.1.6

[dependabot-preview]

Bumps swaggerVersion from 2.1.5 to 2.1.6.
Updates swagger-jaxrs2 from 2.1.5 to 2.1.6

Updates swagger-core from 2.1.5 to 2.1.6

Release notes

Sourced from swagger-core's releases.

Swagger-core 2.1.6 released!

• automation - allow set-env and add-path (#3744)
• fix #3741 - log output file path (#3742)
• refs #3613 - Configurable and deterministic order of JSON and YAML output (#3740)
• automation - replace deprecated set-env in workflows (#3733)
• refs #3731 - constraint annotations support at root schema level (#3732)
• fix #3729 - update testng version (#3730)
• refs #3727 - fix enum as ref with fqn TypeNameResolver (#3728)
• bump junit deps (#3720)
• Add test for hidden field in JsonCreator (#3698)

Commits

• f1fcdc2 Merge pull request #3746 from swagger-api/staging-timeout
• 6d37fb8 automation - increase nexus staging timeout
• 003920b Merge pull request #3745 from swagger-api/prepare-release-2.1.6
• 8601e4c prepare release 2.1.6
• 378f4f1 Merge pull request #3744 from swagger-api/allow-set-env
• bdec4a3 automation - allow set-env and add-path
• 9eec96d Merge pull request #3742 from swagger-api/maven-plugin-log
• c2d8451 fix #3741 - log output file path
• 2907229 Merge pull request #3740 from swagger-api/config-deterministic-sort
• 2fc7f60 refs #3613 - Configurable and deterministic order of JSON and YAML output
• Additional commits viewable in compare view

Updates swagger-integration from 2.1.5 to 2.1.6

Updates swagger-jaxrs2-servlet-initializer from 2.1.5 to 2.1.6

Updates swagger-models from 2.1.5 to 2.1.6

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