WPPAR-6423: fix lint issue and change bidder endpoint

Author: Ko4s3K

src/main/java/org/prebid/server/bidder/sspbc/SspbcRequest.java

@@ -8,5 +8,5 @@
 public class SspbcRequest {
 
     @JsonProperty("bidRequest")
-    BidRequest BidRequest;
+    BidRequest bidRequest;
 }

src/main/resources/bidder-config/sspbc.yaml

@@ -1,6 +1,6 @@
 adapters:
   sspbc:
-    endpoint: https://ssp.wp.pl/v1/bidder/prebidserver
+    endpoint: https://ssp.wp.pl/v2/bidder/prebidserver
     meta-info:
       maintainer-email: prebid-dev@grupawp.pl
       app-media-types:

src/test/java/org/prebid/server/bidder/sspbc/SspbcBidderTest.java

@@ -14,7 +14,7 @@
 import org.prebid.server.bidder.model.BidderError;
 import org.prebid.server.bidder.model.HttpRequest;
 import org.prebid.server.bidder.model.HttpResponse;
-import org.prebid.server.bidder.model.Result; 
+import org.prebid.server.bidder.model.Result;
 import org.prebid.server.proto.openrtb.ext.response.BidType;
 
 import java.util.List;