feat: bump h2 versions to make cargo deny happy

[kukkok3]

Description

Fix for: https://github.com/input-output-hk/catalyst-voices/actions/runs/8550954681/job/23428945373#step:5:4280

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[github-actions]

❌ Test Report | ${\color{lightgreen}Pass: 32/33}$ | ${\color{red}Fail: 1/33}$ |