feat(primitives): update Bytes formatting, add UpperHex #1289

Job	Run time
miri --no-default-features	2m 55s
test stable --no-default-features	54s
miri	3m 10s
clippy	59s
test stable	50s
miri --all-features	3m 34s
test stable --all-features	1m 30s
test beta --no-default-features	53s
docs	46s
fmt	18s
test beta	51s
test beta --all-features	1m 1s
test nightly --no-default-features	1m 37s
wasm	26s
test nightly	1m 44s
test nightly --all-features	1m 58s
test 1.65 --no-default-features	47s
feature-checks	1m 53s
test 1.65	47s
test 1.65 --all-features	1m 15s
	28m 8s

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