Use the short name for the default voice (#326)

Switch to en-US-AriaNeural for the default voice name. It will
be converted automatically to the complete voice name anyway.

Signed-off-by: rany <rany2@riseup.net>

src/edge_tts/communicate.py

@@ -244,7 +244,7 @@ class Communicate:
     def __init__(
         self,
         text: str,
-        voice: str = "Microsoft Server Speech Text to Speech Voice (en-US, AriaNeural)",
+        voice: str = "en-US-AriaNeural",
         *,
         rate: str = "+0%",
         volume: str = "+0%",