Handle negative numbers in enum

[Embraser01]

Info: Generating spec 'qBittorrent WebUI API'
Internal Error: Debug Failure. False expression: Negative numbers should be created in combination with createPrefixUnaryExpression
    at Object.createNumericLiteral (C:\Users\marca\AppData\Local\Temp\xfs-c80c06f2\dlx-24264\node_modules\typescript\lib\typescript.js:24871:11)
    at C:\Users\marca\AppData\Local\Temp\xfs-c80c06f2\dlx-24264\node_modules\@typoas\generator\lib\generator\utils\types.js:44:45
    at Array.map (<anonymous>)
    at createTypeFromSchema (C:\Users\marca\AppData\Local\Temp\xfs-c80c06f2\dlx-24264\node_modules\@typoas\generator\lib\generator\utils\types.js:37:14)
    at C:\Users\marca\AppData\Local\Temp\xfs-c80c06f2\dlx-24264\node_modules\@typoas\generator\lib\generator\utils\types.js:92:104
    at Array.map (<anonymous>)
    at createTypeFromSchema (C:\Users\marca\AppData\Local\Temp\xfs-c80c06f2\dlx-24264\node_modules\@typoas\generator\lib\generator\utils\types.js:86:55)
    at C:\Users\marca\AppData\Local\Temp\xfs-c80c06f2\dlx-24264\node_modules\@typoas\generator\lib\index.js:24:282
    at Array.map (<anonymous>)
    at createSchemaComponents (C:\Users\marca\AppData\Local\Temp\xfs-c80c06f2\dlx-24264\node_modules\@typoas\generator\lib\index.js:18:36)