Bump `elliptic-curve` to v0.14.0-pre.3 #339

Job	Run time
build (1.73.0, thumbv7em-none-eabi)	29s
build (1.73.0, wasm32-unknown-unknown)	29s
build (stable, thumbv7em-none-eabi)	31s
doc	1m 8s
build (stable, wasm32-unknown-unknown)	19s
test (i686-unknown-linux-gnu, 1.73.0, sudo apt update && sudo apt install gcc-multilib)	54s
test (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	1m 15s
test (x86_64-unknown-linux-gnu, 1.73.0)	37s
test (x86_64-unknown-linux-gnu, stable)	42s
	6m 24s

Provide feedback