ecdsa: bump `elliptic-curve` to v0.14 (#1391) #1182

Job	Run time
test (stable)	2m 46s
test (1.85.0)	3m 3s
no_std (thumbv7em-none-eabi, stable)	43s
no_std (wasm32-unknown-unknown, 1.85.0)	55s
no_std (wasm32-unknown-unknown, stable)	51s
no_std (thumbv7em-none-eabi, 1.85.0)	51s
	9m 9s

Provide feedback