NIFI-11733 Upgrade Netty from 4.1.93 to 4.1.94

[exceptionfactory]

Summary

NIFI-11733 Upgrades Netty from 4.1.93 to 4.1.94, incorporating several improvements as well as a resolution for CVE-2023-34462 related to memory allocation issues during a TLS handshake with Server Name Indication.

Tracking

Please complete the following tracking steps prior to pull request creation.

Issue Tracking

• Apache NiFi Jira issue created

Pull Request Tracking

• Pull Request title starts with Apache NiFi Jira issue number, such as NIFI-00000
• Pull Request commit message starts with Apache NiFi Jira issue number, as such NIFI-00000

Pull Request Formatting

• Pull Request based on current revision of the main branch
• Pull Request refers to a feature branch with one commit containing changes

Verification

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Build

• Build completed using mvn clean install -P contrib-check
  • JDK 17

Licensing

• New dependencies are compatible with the Apache License 2.0 according to the License Policy
• New dependencies are documented in applicable LICENSE and NOTICE files

Documentation

• Documentation formatting appears as expected in rendered files

[mattyb149]

+1 LGTM, thanks for the upgrade! Merging to support/nifi-1.x and main