[Task]: Migrate from SourceFunction API to Source API for Flink runner #37114
Description
What needs to happen?
SourceFunction API is deprecated and moved to a legacy package in Flink 2. We should migrate to new Source API
Issue Priority
Priority: 2 (default / most normal work should be filed as P2)
Issue Components
- Component: Python SDK
- Component: Java SDK
- Component: Go SDK
- Component: Typescript SDK
- Component: IO connector
- Component: Beam YAML
- Component: Beam examples
- Component: Beam playground
- Component: Beam katas
- Component: Website
- Component: Infrastructure
- Component: Spark Runner
- Component: Flink Runner
- Component: Samza Runner
- Component: Twister2 Runner
- Component: Hazelcast Jet Runner
- Component: Google Cloud Dataflow Runner