Update PortAudio submodule to version 19.7.0

mgeier · larsoner · commit 22e863aa6c4b · 2021-05-27T09:09:09.000-04:00
diff --git a/portaudio b/portaudio
@@ -1 +1 @@
-Subproject commit 396fe4b6699ae929d3a685b3ef8a7e97396139a4
+Subproject commit 147dd722548358763a8b649b3e4b41dfffbcfbb6
