[FLINK-8095][TableAPI & SQL] Introduce ProjectSetOpTransposeRule to F…

[Xpray]

What is the purpose of the change

Introduce ProjectSetOpTransposeRule to Flink

Brief change log

add ProjectSetOpTransposeRule.INSTANCE to FlinkRuleSets

Verifying this change

This change is already covered by existing tests, such as (org.apache.flink.table.api.stream.table.SetOpTransposeTest).

Does this pull request potentially affect one of the following parts:

• Dependencies (does it add or upgrade a dependency): no
• The public API, i.e., is any changed class annotated with @Public(Evolving): no
• The serializers: no
• The runtime per-record code paths (performance sensitive): no
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: no
• The S3 file system connector: no

Documentation

• Does this pull request introduce a new feature? no

[twalthr]

Thank you @Xpray. Merging...