fix(app): windows indefinite hang while finding port

For some reason, I started getting this indefinite hang when the app checks if port 9090 is available. After some fiddling around, I found that adding a timeout resolves the issue.

I confirmed that the util still works by starting the app on 9090, then starting a second instance. The second instance correctly saw 9090 in use and moved to 9091.

Author: psychedelicious

invokeai/app/api_app.py

@@ -161,6 +161,7 @@ def find_port(port: int) -> int:
         # Taken from https://waylonwalker.com/python-find-available-port/, thanks Waylon!
         # https://github.com/WaylonWalker
         with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+            s.settimeout(1)
             if s.connect_ex(("localhost", port)) == 0:
                 return find_port(port=port + 1)
             else: