Update netty-codec-http, ... to 4.2.0.Final in series/0.5

[http4s-steward]

About this PR

📦 Updates

• io.netty:netty-codec-http
• io.netty:netty-codec-http2
• io.netty:netty-handler
• io.netty:netty-handler-proxy
• io.netty:netty-transport-classes-epoll
• io.netty:netty-transport-classes-kqueue
• io.netty:netty-transport-native-epoll
• io.netty:netty-transport-native-kqueue

from 4.1.119.Final to 4.2.0.Final

Usage

✅ Please merge!

I'll automatically update this PR to resolve conflicts as long as you don't change it yourself.

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⚙ Adjust future updates

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updates.ignore = [ { groupId = "io.netty" } ]

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dependencyOverrides = [{
  pullRequests = { frequency = "30 days" },
  dependency = { groupId = "io.netty" }
}]

^{labels: library-update, commit-count:1}

[hamnis]

0.5 will be on 4.1, so we should not upgrade to 4.2 here.
This will be part of 0.7 once I get that started again.