BitZ: getTicker return error

[Aento]

Firs of all sslUri is wrong need to update it to "https://apiv2.bitz.com".

When try to getTicker I get this error:

si.mazi.rescu.HttpStatusIOException: Cannot coerce empty String ("") to org.knowm.xchange.bitz.dto.marketdata.BitZTickervalue (but could if coercion was enabled usingCoercionConfig) at [Source: (String)"{"status":-107,"msg":"","data":"","time":1624779684,"microtime":"0.11429400 1624779684","source":"api"}"; line: 1, column: 32] (through reference chain: org.knowm.xchange.bitz.dto.marketdata.result.BitZTickerResult["data"]) at si.mazi.rescu.ResponseReader.read(ResponseReader.java:104) at si.mazi.rescu.RestInvocationHandler.mapInvocationResult(RestInvocationHandler.java:169) at si.mazi.rescu.RestInvocationHandler.receiveAndMap(RestInvocationHandler.java:157) at si.mazi.rescu.RestInvocationHandler.invoke(RestInvocationHandler.java:113) at org.knowm.xchange.examples.interceptor.LoggingInterceptor.aroundInvoke(LoggingInterceptor.java:16) at si.mazi.rescu.InterceptedInvocationHandler.invoke(InterceptedInvocationHandler.java:42) at com.sun.proxy.$Proxy35.getTickerResult(Unknown Source) at org.knowm.xchange.bitz.service.BitZMarketDataServiceRaw.getBitZTicker(BitZMarketDataServiceRaw.java:33) at exchages.BitzManager.getCryptoPairPrice(BitzManager.java:45) at CryptoCurrency.Stellar$Task.run(Stellar.java:84) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834)

[walec51]

feel free to submit a PR