docs(pr-x12): apply audit corrections + ground x265/x266 lens in the public H.266/ECM/NNVC/H.267 landscape #643

Job	Run time
wasm-simd/parity-node	58s
nostd/thumbv6m-none-eabi/stable	36s
neon-simd/parity-qemu	1m 2s
format/stable	21s
Pass MSRV values to other jobs	3s
hpc-stream-parallel/rayon	1m 54s
tier4-avx512-check	40s
clippy/1.95.0	43s
native-backend/stable	8m 0s
cross_test/${{ matrix.target }}/${{ matrix.rust }}	0s
docs/nightly	0s
miri	0s
nightly-simd-polyfill	0s
tests/1.95.0	11m 8s
tests/stable	11m 32s
blas-msrv	1m 6s
tests/beta	11m 31s
cargo-careful	-7s
conclusion	0s
	49m 27s

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