Bump Netty to 4.1.77

[chibenwa]

Make sure that:

• You have read the contribution guidelines.
• You have created a feature request first to discuss your contribution intent. Please reference the feature request ticket number in the pull request.
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[gjamnitz]

Hi Benoit, we are looking forward to the patch release containing this fix...!

[mp911de]

Thank you for your contribution. That's merged, polished, and backported now.