Add NEON implementation of Argon2's BLAMKA function #5942

Job	Run time
Linux (gcc, shared)	1m 42s
macOS (shared, xcode, macos-13)	3m 17s
Linux (gcc, amalgamation)	4m 0s
macOS (amalgamation, xcode, macos-13)	3m 49s
Linux (gcc, static)	1m 24s
macOS (shared, xcode, macos-14)	2m 1s
Linux (clang, shared)	1m 56s
macOS (amalgamation, xcode, macos-14)	2m 19s
Clang Tidy	48s
Analysis (coverage, gcc, ubuntu-24.04)	23m 42s
Special (examples, gcc, ubuntu-24.04)	36s
Analysis (sanitizer, msvc, windows-2022, ninja)	32m 41s
Windows (shared, x86_64, windows-2022)	5m 54s
Special (minimized, gcc, ubuntu-24.04)	18s
Windows (static, x86_64, windows-2022)	3m 32s
Cross (cross-i386, gcc, ubuntu-22.04)	2m 30s
Analysis (sanitizer, clang, ubuntu-24.04)	10m 37s
Analysis (sanitizer, gcc, ubuntu-24.04)	16m 39s
Windows (amalgamation, x86_64, windows-2022)	4m 47s
Cross (cross-arm32, gcc, ubuntu-24.04)	10m 19s
Analysis (valgrind, clang, ubuntu-24.04)	28m 0s
Windows (shared, x86, windows-2022)	8m 20s
Cross (cross-arm64, gcc, ubuntu-24.04)	6m 10s
Special (bsi, gcc, ubuntu-24.04)	52s
Analysis (fuzzers, gcc, ubuntu-24.04)	5m 31s
Cross (cross-ppc64, gcc, ubuntu-24.04)	6m 28s
Special (docs, gcc, ubuntu-24.04)	50s
Analysis (lint, gcc, ubuntu-24.04)	56s
Cross (cross-mips64, gcc, ubuntu-24.04)	6m 33s
Special (no_pcurves, gcc, ubuntu-24.04)	1m 3s
Analysis (format, gcc, ubuntu-24.04)	26s
Cross (cross-android-arm64, clang, ubuntu-24.04)	46s
Analysis (limbo, gcc, ubuntu-24.04)	38s
Cross (static, gcc, windows-2022, make)	2m 47s
Cross (cross-ios-arm64, xcode, macos-13)	49s
	3h 23m 0s

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