Update resize and blurs doc #1788

Job	Run time
cargo-deny	19s
build_benchmarks	44s
Fuzz targets (cargo-fuzz)	53s
Fuzz targets (afl)	2m 22s
cargo-semver-checks	20s
clippy	2m 11s
public_private_dependencies	26s
rustfmt	14s
test_avif_decoding	1m 27s
test_other_archs (powerpc-unknown-linux-gnu)	2m 49s
test_features	22s
test_other_archs (i686-unknown-linux-gnu)	1m 36s
test_toolchains (1.70.0)	31s
test_features (default)	1m 38s
test_toolchains (nightly)	1m 4s
test_features (rayon)	23s
test_toolchains (beta)	1m 21s
test_features (avif)	52s
test_features (bmp)	26s
test_features (dds)	24s
test_features (exr)	41s
test_features (ff)	24s
test_features (gif)	24s
test_features (hdr)	21s
test_features (ico)	33s
test_features (jpeg)	25s
test_features (png)	24s
test_features (pnm)	19s
test_features (qoi)	19s
test_features (tga)	33s
test_features (tiff)	30s
test_features (webp)	23s
	25m 38s

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