Noteworthy changes in version 1.8.9 (2022-02-07) [`C22/A2/R10`]
* Bug fixes:
- Clear AESWRAP scratch area immediately after use. [T5597]
- Fix the use of xfree in the hmac256 tool. [rC709a41ef54]
- Fix libgcrypt.pc for use in non-standard build environments.
[T4678,rC34d773515f]
- Fix mlock support detection for the unsupported MSYS2 toolchain.
[rCb2b8fa5edb]
(prev: T5466 next: T5818)