Update armeria to 1.31.0

[http4s-steward]

About this PR

📦 Updates com.linecorp.armeria:armeria from 1.30.1 to 1.31.0

Usage

✅ Please merge!

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

If you'd like to skip this version, you can just close this PR. If you have any feedback, just mention me in the comments below.

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⚙ Adjust future updates

Add this to your .scala-steward.conf file to ignore future updates of this dependency:

updates.ignore = [ { groupId = "com.linecorp.armeria", artifactId = "armeria" } ]

Or, add this to slow down future updates of this dependency:

dependencyOverrides = [{
  pullRequests = { frequency = "30 days" },
  dependency = { groupId = "com.linecorp.armeria", artifactId = "armeria" }
}]

^{labels: library-update, early-semver-minor, semver-spec-minor, commit-count:1}

[danicheg]

These changes addressing the armeria upgrade are quite trivial, but it'd be nice if @ikhoon took a quick look at it 🙇🏻‍♂️