Update dependencies for rumqttd.

[qwandor]

Type of change

• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Miscellaneous (related to maintenance)

Checklist:

• Formatted with cargo fmt
• Make an entry to CHANGELOG.md if it's relevant to the users of the library. If it's not relevant mention why.

[coveralls]

Pull Request Test Coverage Report for Build 11957433562

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 109 unchanged lines in 5 files lost coverage.
• Overall coverage decreased (-0.01%) to 36.091%

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Files with Coverage Reduction	New Missed Lines	%
rumqttc/src/eventloop.rs	5	84.93%
rumqttd/src/link/timer.rs	8	0.0%
rumqttd/src/link/remote.rs	25	46.22%
rumqttc/src/v5/eventloop.rs	28	7.51%
rumqttd/src/link/bridge.rs	43	0.0%

Totals
Change from base Build 10511632669:	-0.01%
Covered Lines:	5985
Relevant Lines:	16583

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💛 - Coveralls