grantType "resourceOwner" mentioned in 0.8 but not supported in sdk

[mahith2108]

What is the question: GrantType "resourceOwner" is not supported by 4.0.5 java sdk but the spec 0.8 refers to "resourceOwner" for userName field

https://github.com/serverlessworkflow/specification/blob/0.8.x/specification.md#oauth2-properties-definition https://github.com/serverlessworkflow/specification/blob/0.8.x/schema/auth.json#L191

public static enum GrantType {
    PASSWORD("password"),
    CLIENT_CREDENTIALS("clientCredentials"),
    TOKEN_EXCHANGE("tokenExchange");

    private final String value;