Upgrade the rand* crates to v0.9

[dvdplm]

Upgrade the rand* crates to v0.9 so we can use manul with pre-release versions of crypto-primes, crypto-bigint and synedrion.

[coveralls]

Pull Request Test Coverage Report for Build 13658172138

Details

• 48 of 53 (90.57%) changed or added relevant lines in 11 files are covered.
• 9 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.1%) to 73.543%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
manul/src/combinators/misbehave.rs	8	9	88.89%
manul/src/dev/run_sync.rs	4	5	80.0%
manul/src/session/session.rs	7	10	70.0%

Files with Coverage Reduction	New Missed Lines	%
manul/src/protocol/errors.rs	3	16.09%
manul/src/session/session.rs	6	78.83%

Totals
Change from base Build 13401865846:	0.1%
Covered Lines:	2296
Relevant Lines:	3122

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💛 - Coveralls