Switch pyav -> av (#780)

Author: aliberts

pyproject.toml

@@ -48,7 +48,7 @@ dependencies = [
     "omegaconf>=2.3.0",
     "opencv-python>=4.9.0",
     "packaging>=24.2",
-    "pyav>=12.0.5",
+    "av>=12.0.5",
     "pymunk>=6.6.0",
     "pynput>=1.7.7",
     "pyzmq>=26.2.1",