Correct windowAudio default for Chrome and Edge (#28246)

Correct windowAudio option default values for Chrome and Edge

Author: chrisdavidmills

api/MediaDevices.json

@@ -473,7 +473,7 @@
                 "version_added": "141",
                 "partial_implementation": true,
                 "notes": [
-                  "Defaults to `\"exclude\"`. Before Chrome 142 it defaulted to `\"system\"`.",
+                  "Defaults to `\"system\"`.",
                   "Only supports values `\"exclude\"` and `\"system\"`, not `\"window\"`."
                 ]
               },
@@ -485,7 +485,7 @@
                 "version_removed": "143",
                 "partial_implementation": true,
                 "notes": [
-                  "Defaults to `\"system\"`. Before Chrome 143 it defaulted to `\"exclude\"`.",
+                  "Defaults to `\"system\"`. Before Edge 142, it defaulted to `\"exclude\"`.",
                   "Only supports values `\"exclude\"` and `\"system\"`, not `\"window\"`."
                 ]
               },