MacOS Monterey build 21D62

macOS Monterey build 21D62 is the official RTM build of macOS Monterey 12.2.1, which was released to the public on 10 February 2022.

Fixes

 * Like in 12.3 beta 2, the rapid battery drain issue when Bluetooth was enabled is fixed in this version.
 * A bug in WebKit that caused arbitrary code execution if malicious web content is executed was patched.