fix: add webrtc that does not need visual studio to build

requirements.txt

@@ -1,10 +1,11 @@
 PyAudio==0.2.14
 faster-whisper==1.0.3
 pvporcupine==1.9.5
-webrtcvad==2.0.10
+webrtcvad-wheels==2.0.14
 halo==0.0.31
 torch==2.3.1
 torchaudio==2.3.1
 scipy==1.12.0
 websockets==v12.0
-openwakeword==0.6.0
+openwakeword==0.6.0
+numpy==1.24.4