update data for requestPointerLock unadjustedMovement option (#18459)

Author: chrisdavidmills

api/Element.json

@@ -7246,7 +7246,8 @@
             "description": "<code>options.unadjustedMovement</code> parameter",
             "support": {
               "chrome": {
-                "version_added": "92"
+                "version_added": "88",
+                "notes": "Supported on macOS Catalina 10.15.1+, Windows, and ChromeOS. Not yet supported on Linux."
               },
               "chrome_android": "mirror",
               "edge": "mirror",