chore: update a few dependencies (thiserror, subtle, base64*) #94

Job	Run time
Checking fmt and docs	17s
clippy_check_pairing	2m 1s
linux_foreign (aarch64-unknown-linux-gnu, nightly, aarch64)	21m 3s
clippy_check_blst	2m 5s
set-msrv	14s
macos (1.67.1)	2m 38s
linux (i686-unknown-linux-gnu, 1.67.1, sudo apt update && sudo apt install gcc-multilib)	3m 55s
macos (stable)	51s
windows (x86_64-pc-windows-msvc, 1.67.1)	3m 41s
linux (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	2m 8s
linux (x86_64-unknown-linux-gnu, 1.67.1)	2m 48s
linux (x86_64-unknown-linux-gnu, stable)	1m 7s
	42m 48s

Provide feedback