Update dependencies

[coveralls]

Pull Request Test Coverage Report for Build 4672158314

• 6 of 10 (60.0%) changed or added relevant lines in 5 files are covered.
• 3 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.009%) to 94.656%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
tox_node/src/node_config.rs	0	1	0.0%
tox_core/src/state_format/old.rs	0	3	0.0%
<!--	Total:	6	10	60.0%	-->

Files with Coverage Reduction	New Missed Lines	%
tox_core/src/net_crypto/crypto_connection.rs	1	98.74%
tox_core/src/onion/onion_announce.rs	1	99.44%
tox_core/src/relay/client/client.rs	1	98.2%
<!--	Total:	3		-->

Totals
Change from base Build 3662978105:	-0.009%
Covered Lines:	15888
Relevant Lines:	16785

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💛 - Coveralls