Gaussian blur #1727

Job	Run time
build_benchmarks	46s
Fuzz targets (afl)	2m 12s
cargo-deny	17s
Fuzz targets (cargo-fuzz)	52s
cargo-semver-checks	2m 42s
clippy	2m 6s
public_private_dependencies	23s
rustfmt	5s
test_avif_decoding	1m 26s
test_features	26s
test_other_archs (powerpc-unknown-linux-gnu)	2m 53s
test_features (default)	1m 40s
test_toolchains (1.70.0)	27s
test_other_archs (i686-unknown-linux-gnu)	1m 48s
test_features (rayon)	49s
test_toolchains (nightly)	1m 46s
test_features (avif)	58s
test_toolchains (beta)	1m 24s
test_features (bmp)	23s
test_features (dds)	33s
test_features (exr)	38s
test_features (ff)	21s
test_features (gif)	33s
test_features (hdr)	21s
test_features (ico)	34s
test_features (jpeg)	44s
test_features (png)	25s
test_features (pnm)	40s
test_features (qoi)	25s
test_features (tga)	20s
test_features (tiff)	28s
test_features (webp)	25s
	29m 50s

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