Update README.md #3229

Job	Run time
Check Documentation	52s
List directories for parallelizing tests	3s
Check (stable)	7s
Check no_std	40s
Check (nightly)	1m 8s
Check Style	6s
Test (stable)	8m 55s
Test assembly	8m 27s
Test (nightly)	17m 16s
Test (cp6_782/)	4s
Test (mnt4_753/)	13s
Test (mnt6_753/)	11s
Test (./ed_on_bn254)	1m 16s
Test (./ed_on_bls12_381_bandersnatch)	1m 8s
Test (./mnt4_298)	3m 43s
Test (./ed_on_bls12_381)	1m 12s
Test (./ed_on_cp6_782)	1m 19s
Test (./vesta)	1m 9s
Test (./bls12_381)	3m 10s
Test (./ed_on_mnt4_753)	3m 55s
Test (./curve25519)	1m 6s
Test (./pallas)	1m 4s
Test (./ed_on_bw6_761)	49s
Test (./grumpkin)	1m 19s
Test (./secp256r1)	59s
Test (./secp256k1)	1m 8s
Test (./secp384r1)	1m 17s
Test (./bn254)	2m 17s
Test (./bw6_761)	3m 50s
Test (./ed_on_bls12_377)	1m 3s
Test (./bw6_767)	3m 49s
Test (./bls12_377)	3m 54s
Test (./ed_on_mnt4_298)	1m 20s
Test (./secq256k1)	56s
Test (./ed25519)	53s
Test (./mnt6_298)	4m 43s
	1h 25m 21s

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