Bump org.openapitools:openapi-generator-cli from 7.6.0 to 7.7.0

[dependabot]

Bumps org.openapitools:openapi-generator-cli from 7.6.0 to 7.7.0.

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Dependabot will merge this PR once CI passes on it, as requested by @jasonaowen.

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[jasonaowen]

Release notes: https://github.com/OpenAPITools/openapi-generator/releases/tag/v7.7.0

[jasonaowen]

There is a relevant bugfix in this release, which changes the output of our build: OpenAPITools/openapi-generator#15077 .

My understanding of how to test this is to build the front-end against it, which is currently failing; I'm not yet sure why.

TS2322: Type 'Date' is not assignable to type 'string'.
     9 | 	scope: BaseField.ScopeEnum.Proposal,
    10 | 	dataType: BaseField.DataTypeEnum.String,
  > 11 | 	createdAt: new Date(),
       | 	^^^^^^^^^
    12 | };
    13 |
    14 | const baseFieldOrgCity: BaseField = {

[jasonaowen]

@dependabot rebase

[jasonaowen]

My understanding of how to test this is to build the front-end against it, which is currently failing; I'm not yet sure why.

There hasn't been a new SDK published since #26, which caused the type of the various createdAt fields to change from Date to string. The build failure is from switching the TypeScript SDK from the published version built with Swagger Codegen to the currently unpublished version built with OpenAPI Generator.

I've been able to fix the front-end locally to work with the new SDK, installed into front-end via npm link. With that change, both the current version of openapi-generator-cli and the new version introduced by this PR generate working TypeScript SDKs.

[jasonaowen]

@dependabot merge