Update educe requirement from 0.5.0 to 0.6.0 (#840) #1

Job	Run time
List directories for parallelizing tests	2s
Check no_std	33s
Check (stable)	13s
Check Documentation	57s
Check (nightly)	1m 42s
Check Style	8s
Test (stable)	9m 5s
Test assembly	8m 33s
Test (nightly)	18m 3s
Test (cp6_782/)	28m 50s
Test (mnt6_753/)	28m 15s
Test (mnt4_753/)	11m 50s
Test (./ed25519)	54s
Test (./mnt6_298)	5m 33s
Test (./grumpkin)	1m 10s
Test (./ed_on_cp6_782)	1m 27s
Test (./ed_on_mnt4_753)	3m 58s
Test (./ed_on_bw6_761)	45s
Test (./bls12_381)	3m 12s
Test (./ed_on_bls12_381_bandersnatch)	1m 14s
Test (./ed_on_mnt4_298)	1m 19s
Test (./secq256k1)	1m 2s
Test (./bn254)	2m 16s
Test (./mnt4_298)	3m 53s
Test (./secp256r1)	1m 1s
Test (./vesta)	1m 17s
Test (./ed_on_bn254)	59s
Test (./bw6_761)	3m 52s
Test (./curve25519)	1m 19s
Test (./pallas)	1m 8s
Test (./ed_on_bls12_377)	1m 13s
Test (./secp384r1)	1m 26s
Test (./secp256k1)	1m 7s
Test (./ed_on_bls12_381)	1m 17s
Test (./bls12_377)	4m 10s
Test (./bw6_767)	3m 54s
	2h 37m 37s

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