Use python 3.11

Install pyaudio directly from pip now.

.github/workflows/pull-request.yml

@@ -32,11 +32,11 @@ jobs:
 
         - uses: actions/setup-python@v5
           with:
-            python-version: '3.7'
+            python-version: '3.11'
             cache: 'pip' # caching pip dependencies
 
         - name: Install pyAudio wheel
-          run: pip install https://download.lfd.uci.edu/pythonlibs/archived/cp37/PyAudio-0.2.11-cp37-cp37m-win_amd64.whl
+          run: pip install pyAudio
 
         - name: Install other dependencies
           run: pip install -r requirements.txt