NIFI-16081: Implement Migrate Connector Properties API

[bobpaulin]

Summary

NIFI-16081

Implement Migrate Connector Properties API
SEE NIP-34

• Support for migrateProperties method in Connector
• Tests supporting Step and Connector Property updates

Tracking

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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
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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

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