Integrate lossless forward transform intrinsics #4708

Job	Run time
build-windows (cargo-build, x86_64-pc-windows-msvc)	10m 34s
rustfmt-clippy	2m 37s
build-windows (cargo-test, x86_64-pc-windows-msvc)	9m 35s
build-macos (Cargo build (x64), cargo-build, x86_64-apple-darwin)	4m 27s
build-unix (beta-build)	4m 10s
build-windows (cargo-c, x86_64-pc-windows-gnu)	10m 52s
build-macos (Cargo test (x64), cargo-test, x86_64-apple-darwin)	3m 32s
build-unix (1.70.0-tests)	5m 56s
build-macos (Cargo C-build (x64), cargo-c, x86_64-apple-darwin)	10m 12s
build-unix (aom-tests)	8m 30s
build-macos (Cargo build (Arm64), cargo-build, aarch64-apple-darwin)	4m 18s
build-unix (dav1d-tests)	7m 47s
build-macos (Cargo C-build (Arm64), cargo-c, aarch64-apple-darwin)	11m 20s
build-unix (no-asm-tests)	12m 31s
build-unix (grcov-codecov)	14m 17s
build-unix (bench)	5m 42s
build-unix (doc)	2m 41s
build-unix (cargo-c)	7m 26s
build-unix (check-no-default)	1m 53s
build-unix (check-extra-feats)	4m 22s
build-unix (check-unstable-feats)	3m 51s
build-unix (fuzz)	6m 6s
build-unix (dav1d-tests-arm64, stable)	8m 54s
	2h 41m 33s

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