docs(pr-x12): apply audit corrections + ground x265/x266 lens in the public H.266/ECM/NNVC/H.267 landscape #644

Job	Run time
Pass MSRV values to other jobs	4s
wasm-simd/parity-node	1m 3s
format/stable	22s
nostd/thumbv6m-none-eabi/stable	36s
neon-simd/parity-qemu	1m 3s
hpc-stream-parallel/rayon	1m 30s
native-backend/stable	8m 4s
clippy/1.95.0	49s
tier4-avx512-check	36s
cargo-careful	0s
cross_test/${{ matrix.target }}/${{ matrix.rust }}	0s
nightly-simd-polyfill	0s
miri	0s
docs/nightly	0s
blas-msrv	58s
tests/stable	11m 28s
tests/beta	11m 12s
tests/1.95.0	10m 57s
conclusion	0s
	48m 42s

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