Fix team serialization including pgm team (#48)

Author: Pablete1234

src/main/java/rip/bolt/ingame/api/definitions/BoltTournamentTeam.java

@@ -1,5 +1,6 @@
 package rip.bolt.ingame.api.definitions;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import dev.pgm.events.EventsPlugin;
 import dev.pgm.events.team.TournamentTeam;
 import javax.annotation.Nullable;
@@ -9,6 +10,7 @@ public interface BoltTournamentTeam extends TournamentTeam {
 
   Integer getTeamId();
 
+  @JsonIgnore
   default @Nullable Team getPgmTeam() {
     return EventsPlugin.get().getTeamManager().fromTournamentTeam(this).orElse(null);
   }