Merge branch 'andrius/sig-submit-default-deadline' into 'main'

Signature submitter: add default deadline to ensure submitter doesn't cancel immediately.

See merge request flarenetwork/flare-system-client!59

Author: GrePod

client/config/client.go

@@ -155,7 +155,8 @@ func new() *Client {
 		Submit1: defaultSubmitConfig,
 		Submit2: defaultSubmitConfig,
 		SubmitSignatures: SubmitSignatures{
-			Submit: defaultSubmitConfig,
+			Submit:   defaultSubmitConfig,
+			Deadline: 60 * time.Second,
 		},
 		SubmitGas:   Gas{GasPriceFixed: big.NewInt(0)},
 		RegisterGas: Gas{GasPriceFixed: big.NewInt(0)},