NIFI-16184 Add TLS Endpoint Identification for Cluster Communication

[exceptionfactory]

Summary

NIFI-16184 Adds TLS Endpoint Identification using the HTTPS algorithm for cluster node communication, including status communication and FlowFile load balancing.

The functional changes add HTTPS as the Endpoint Identification Algorithm for SSLParameters when configuring TLS sockets. This strategy aligns with configuration requirements already in place for secure cluster communication. With existing cluster communication requiring DNS Subject Alternative Names on a certificate matching the requested hostname when replicating HTTP requests between cluster nodes, enforcing HTTPS Endpoint Identification for cluster protocol communication ensures consistency across node socket types.

Additional tests exercise low-level parameters and existing system tests exercise secure cluster communication.

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 contains commits signed with a registered key indicating Verified status

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

Please indicate the verification steps performed prior to pull request creation.

Build

• Build completed using ./mvnw clean install -P contrib-check
  • JDK 21
  • JDK 25

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