[transfers] Code generation: update services and models

[AdyenAutomationBot]

This PR contains the automated changes for the transfers service.

The commit history of this PR reflects the adyen-openapi commits that have been applied.

[gemini-code-assist]

Code Review

This pull request renames CapitalService and its associated interfaces and events to CapitalDeprecatedService to reflect its deprecation. The feedback points out that in CapitalDeprecatedService.cs, the constructor parameter CapitalDeprecatedServiceEvents is assigned a default value of null but is not marked as nullable, which will trigger a compiler warning under #nullable enable.

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[gemini-code-assist]

Under #nullable enable, assigning null as a default value to the non-nullable parameter CapitalDeprecatedServiceEvents will trigger a compiler warning (CS8625). Since the parameter is optional and can be null, it should be marked as nullable (CapitalDeprecatedServiceEvents?).

        public CapitalDeprecatedService(AdyenOptionsProvider adyenOptionsProvider, ILogger<CapitalDeprecatedService> logger, ILoggerFactory loggerFactory, System.Net.Http.HttpClient httpClient, JsonSerializerOptionsProvider jsonSerializerOptionsProvider, ITokenProvider<ApiKeyToken> apiKeyProvider, CapitalDeprecatedServiceEvents? capitalDeprecatedServiceEvents = null)