version update to -> 1.3.0

Author: moha-abdi

PySIP/client.py

@@ -338,7 +338,7 @@ def build_invite_message(self, auth=False, msg=None, data=None):
             msg += f"Min-SE: 90\r\n"
             # msg += f"Client-Checksum: {generated_checksum.checksum}\r\n"
             msg += 'Location:{"MNC":"01","MCC":"637"}\r\n'
-            msg += f"User-Agent: PySIP-1.2.0\r\n"
+            msg += f"User-Agent: PySIP-1.3.0\r\n"
             # msg += f"Client-Timestamp: {generated_checksum.timestamp}\r\n"
             msg += f"Content-Type: application/sdp\r\n"