Upgrade to why3 1.8 #3600

Job	Run time
EasyCrypt compilation (nix)	2m 50s
Fetch EasyCrypt External Projects Matrix	5s
EasyCrypt compilation (opam)	2m 38s
Check EasyCrypt External Projects (jasmin-eclib, https://github.com/jasmin-lang/jasmin, main, ecl...	3m 27s
Check EasyCrypt External Projects (sha3, https://gitlab.com/easycrypt/sha3, next, ., config/tests...	15m 4s
Check EasyCrypt Libraries (unit)	2m 43s
Check EasyCrypt Libraries (stdlib)	6m 43s
Check EasyCrypt External Projects (cryptobox, https://gitlab.com/fdupress/ec-cryptobox, next, ., ...	3m 56s
Check EasyCrypt Libraries (examples)	4m 38s
Check EasyCrypt External Projects (xsalsa20, https://gitlab.com/fdupress/ec-xsalsa, master, ., co...	3m 19s
Check EasyCrypt External Projects (xmss-acai, https://github.com/MM45/FV-XMSS-EC, master, ., conf...	9m 7s
Check EasyCrypt External Projects (xmss-fsai, https://github.com/MM45/FV-XMSS-EC, master, ., conf...	7m 54s
Check EasyCrypt External Projects (sphincsplus, https://github.com/MM45/FV-SPHINCSPLUS-EC, master...	22m 24s
Check EasyCrypt External Projects (set-status)	2s
Notification	4s
	1h 24m 54s

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