MFV: zstd 1.5.2

Merge commit 'b3392d84da5bf2162baf937c77e0557f3fd8a52b' into zstd_1.5.2

full changelog: https://github.com/facebook/zstd/compare/v1.4.8...v1.5.2

Updated sys/kern/subr_compressor.c to new API

MFC after: 3 days
Relnotes: yes
Sponsored by: Klara, Inc.

sys/contrib/zstd: Import zstd 1.4.8

Merge commit 'f6ae97673c28bdb9ae795bd235ab6f26f2536a2d' into main

Changes from 1.4.5:
* https://github.com/facebook/zstd/releases/tag/v1.4.8
* https://github.com/facebook/zstd/releases/tag/v1.4.7
(and there was no public v1.4.6)

Conflicts:
sys/contrib/zstd/lib/common/zstd_internal.h (new ZSTD_NO_INTRINSICS)