draft version of pub key aggregation #84

Job	Run time
linux_foreign (aarch64-unknown-linux-gnu, nightly, aarch64)	26m 38s
clippy_check_blst	5m 4s
clippy_check_pairing	5m 57s
Checking fmt and docs	12s
set-msrv	11s
windows (x86_64-pc-windows-msvc, 1.67.1)	9m 28s
linux (i686-unknown-linux-gnu, 1.67.1, sudo apt update && sudo apt install gcc-multilib)	1m 20s
macos (1.67.1)	1m 11s
linux (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	1m 9s
macos (stable)	49s
linux (x86_64-unknown-linux-gnu, 1.67.1)	1m 21s
linux (x86_64-unknown-linux-gnu, stable)	1m 5s
	54m 25s

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