Fix talking not progressing quests & Add talk execution handlers

src/main/java/emu/grasscutter/game/talk/exec/ExecIncQuestGlobalVar.java

@@ -0,0 +1,21 @@
+package emu.grasscutter.game.talk.exec;
+
+import emu.grasscutter.data.excels.TalkConfigData;
+import emu.grasscutter.data.excels.TalkConfigData.TalkExecParam;
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.talk.TalkExec;
+import emu.grasscutter.game.talk.TalkExecHandler;
+import emu.grasscutter.game.talk.TalkValueExec;
+
+@TalkValueExec(TalkExec.TALK_EXEC_INC_QUEST_GLOBAL_VAR)
+public final class ExecIncQuestGlobalVar extends TalkExecHandler {
+    @Override
+    public void execute(Player player, TalkConfigData talkData, TalkExecParam execParam) {
+        if (execParam.getParam().length < 2) return;
+
+        player.getQuestManager().incQuestGlobalVarValue(
+            Integer.parseInt(execParam.getParam()[0]),
+            Integer.parseInt(execParam.getParam()[1])
+        );
+    }
+}