Update edge_tts to v6.1.3

* Sort voices in util's --list-voices
* Disable overlapping subtitles by default
* Try to fix subtitles for many hour long TTS generation
* Match Microsoft Edge connection behavior more
* Bump edge_tts version

src/edge_tts/submaker.py

@@ -40,7 +40,7 @@ class SubMaker:
     SubMaker class
     """
 
-    def __init__(self, overlapping: int = 1) -> None:
+    def __init__(self, overlapping: int = 0) -> None:
         """
         SubMaker constructor.