Updated CryptoExchange.Net to V13.1.0

• Updated CryptoExchange.Net to v13.0.0
• Shared APIs
  • Added SharedApi V2 support
  • Added .SharedApi property to clients
  • Added (I)PionexSharedApiClient containing all V2 SharedApi references
  • Added SharedApi to PionexOptions to provide SharedApi related options
  • See https://cryptoexchange.jkorf.dev/docs/shared-api?sharedApiVersion=v2 for more info about the V2 update and https://github.com/JKorf/CryptoExchange.Net/blob/master/docs/SHARED_API_V2_MIGRATION.md for migrating from V1
  • SharedApi V1 will still be supported
• Rate limiting
  • Added rate limit admission callback to client options to allow rate limit admission ruling on request definition
  • Added WithRateLimitAdmissionAsync to client to allow rate limit admission ruling on a specific request
  • Added socket max connection rate limit
  • Update rate limit safety margin logic
  • Fixed some rate limit calculation issues
• Request coalescing
  • Sending identical public GET requests on the same client at the same time will only send a single request to the server and use the same response
  • Coalescing is enabled by default and can be disabled with the RequestCoalescingEnabled client option
• Updated PionexBookTicker properties to nullable
• Added handling of CLOSE websocket message

Updated to CryptoExchange.Net v12.5.0
Added LowerPriceLimitPercentage, UpperPriceLimitPercentage to SharedSpotSymbol mapping
Fixed SharedSpotSymbol MinTradeQuantity mapping

Updated CryptoExchange.Net to version 12.4.0
Added calculation of AveragePrice on Shared order models if data is available and AveragePrice is not set
Added DebuggerDisplay attributes to Result models
Added AveragePrice property to SharedQuantity model
Updated SharedFuturesTicker, SharedSpotTicker, SharedTrade and SharedKline to use SharedOrderQuantity for volumes/quantities

Initial release