Update kafka-clients from 2.8.1 to 3.1.0

[disco-scala-steward]

Updates org.apache.kafka:kafka-clients from 2.8.1 to 3.1.0.

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

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Files still referring to the old version number

The following files still refer to the old version number (2.8.1).
You might want to review and update them manually.

project/Dependencies.scala

Ignore future updates

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

updates.ignore = [ { groupId = "org.apache.kafka", artifactId = "kafka-clients" } ]

labels: library-update, early-semver-major, semver-spec-major, old-version-remains, commit-count:1

[bcarter97]

• checksum is no longer exposed on the API
• leaderEpoch is now an optional Integer (not used)

Deprecated constructor here
New constructor here

[paulaylingdev]

LGTM