[EPIC] Add Flink engine support for Gravitino

[xunliu]

Describe the proposal

This epic task tracks the work of adding Flink engine support for Gravitino.

Task list

• [Subtask] [flink-connector] Support GravitinoCatalogStore to register the catalog #3362

• [Subtask] [flink-connector] support database DDL operations for hive-catalog #3370

• [Subtask] [flink-connector] support basic table DDL operations for hive-catalog #3371

• [Subtask] [flink-connector] add flink-connector-runtime to build Flink connector #3514

• [Subtask][flink-connector] Support partition for hive table operation  #3980

• [Subtask][flink-connector]Support alter table operation for hive #3981

• [Subtask][flink-connector] Support more column data type for hive table #3982

• [Subtask] [flink-connector] Move SchemaOperation ITs to FlinkCommonIT #3983

• [Subtask] Support partition operation for hive table #4216

• [Subtask] [flink-connector] Support iceberg catalog #3515

• [Subtask] [flink-connector] support messaging-kafka catalog #3516

• [EPIC] Support Flink Paimon connector #6219

[YxAc]

hi @xunliu , can you please assign this to @coolderli or me, we want to promote the co-construction of this feature and land within our company. Thx.

[coolderli]

@xunliu @jerryshao @YxAc @FANNG1 Here is the design doc: https://docs.google.com/document/d/1paAB9hzbDts4dQIHoWyaaDrHc5cetsaFZ8TlThv-MNE/
A draft PR: #2635

Could you please help review this? Thanks.