Tracking: SQL-backend based meta store

[yezizp2012]

Is your feature request related to a problem? Please describe.

• feat(meta): modeling, Initialization and auto upgrade for sql meta store #12475
• Catalog controller(database, schema, table, source, sink, index, view, function, connection, user etc).
• feat(meta): cluster controller based on sql-backend #12690
• SQL-based leader election.
• Refactoring on streaming/barrier manager.
• System parameter, notification version and tracking id etc.
• streaming DDL syntax support
  • create streaming jobs: table, mv, sink, index.
  • drop streaming jobs.
  • cancel streaming jobs.
  • replace table.
  • create sink into table.
  • scaling: reschedule and auto scaling.
• Hummock metadata controller.
• Testing.
• Migration tool from etcd to sql-backend.
• Forbid changes to protobuf structs' field names that are persited in meta #15030
• feat(sql-backend): revert stream_node column to json type in table fragment #15051
• feat(risedev): support starting cluster with sqlite meta backend #15693

Describe the solution you'd like

No response

Describe alternatives you've considered

No response

Additional context

No response

[kwannoel]

• Is background ddl supported?

And for testing to be precise we have:

• Recovery tests
• Backwards compat tests

[yezizp2012]

Most tasks are completed in the kernel. Remaining issues are tracked in #19106.