chore: increase targetMaxLength (#2406)

pkg/api/pss.go

@@ -26,7 +26,7 @@ import (
 const (
 	writeDeadline   = 4 * time.Second // write deadline. should be smaller than the shutdown timeout on api close
 	readDeadline    = 4 * time.Second // read deadline. should be smaller than the shutdown timeout on api close
-	targetMaxLength = 2               // max target length in bytes, in order to prevent grieving by excess computation
+	targetMaxLength = 3               // max target length in bytes, in order to prevent grieving by excess computation
 )
 
 func (s *server) pssPostHandler(w http.ResponseWriter, r *http.Request) {