Support @JsonValue for enums in Dart when using useJsonAnnotation #603

Job	Run time
build	47s
typescript,typescript-zod,typescript-effect-schema	3m 11s
javascript,schema-javascript	1m 8s
golang,schema-golang	1m 24s
cjson,schema-cjson	2m 31s
cplusplus,schema-cplusplus	4m 31s
flow,schema-flow	2m 46s
java,schema-java	9m 29s
python,schema-python	2m 55s
haskell,schema-haskell	14m 15s
csharp,schema-csharp,schema-json-csharp,graphql-csharp,csharp-SystemTextJson	12m 22s
json-ts-csharp	2m 35s
dart,schema-dart	1m 53s
swift,schema-swift	3m 2s
javascript-prop-types	1m 53s
ruby	1m 4s
php	1m 20s
scala3,schema-scala3	4m 21s
rust,schema-rust	3m 57s
kotlin,schema-kotlin,kotlin-jackson,schema-kotlin-jackson	6m 30s
objective-c	2m 42s
test-complete	1s
	1h 24m 37s

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