Make JPEG strict mode configurable #2461

Job	Run time
clippy	40s
rustfmt	12s
test_toolchains (1.85.0)	37s
test_toolchains (nightly)	1m 40s
test_toolchains (beta)	1m 58s
cargo-deny	19s
test_avif_decoding	1m 46s
test_features (ff)	51s
test_features (avif)	1m 19s
test_features (bmp)	45s
test_features	53s
test_features (rayon)	57s
test_features (default)	2m 20s
test_features (hdr)	52s
test_features (png)	1m 6s
test_features (qoi)	46s
test_features (jpeg)	1m 22s
test_features (pnm)	48s
test_features (ico)	54s
test_features (tga)	1m 6s
test_features (gif)	1m 10s
test_features (dds)	1m 21s
test_features (exr)	1m 3s
test_features (webp)	1m 12s
test_features (tiff)	1m 18s
test_other_archs (i686-unknown-linux-gnu)	2m 58s
test_other_archs (powerpc64-unknown-linux-gnu)	7m 21s
Fuzz targets (afl)	2m 35s
build_benchmarks	1m 6s
cargo-semver-checks	36s
Fuzz targets (cargo-fuzz)	58s
public_private_dependencies	32s
	43m 21s

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