chore: Release const-hex version 1.7.0 #183

Job	Run time
Fuzz	33s
feature checks	27s
docs	22s
Clippy	25s
fmt	12s
Miri (x86_64-unknown-linux-gnu, --no-default-features)	1m 0s
Miri (x86_64-unknown-linux-gnu)	1m 21s
Miri (x86_64-unknown-linux-gnu, --all-features)	1m 20s
Miri (aarch64-unknown-linux-gnu, --no-default-features)	59s
Miri (aarch64-unknown-linux-gnu)	1m 16s
Outdated	6s
Test (x86_64-unknown-linux-gnu, nightly)	25s
Test (x86_64-unknown-linux-gnu, beta)	21s
Test (x86_64-unknown-linux-gnu, stable)	27s
Test (x86_64-unknown-linux-gnu, 1.64)	23s
Test (aarch64-unknown-linux-gnu, nightly)	57s
Test (aarch64-unknown-linux-gnu, beta)	46s
Test (aarch64-unknown-linux-gnu, stable)	1m 9s
Test (aarch64-unknown-linux-gnu, 1.64)	51s
	13m 20s

Provide feedback