* fix: fix close region issue
* chore: apply suggestion from CR
* chore: apply suggestion from CR
* chore: apply suggestion from CR
* chore: apply suggestion from CR
* refactor: remove close method from Region trait
* chore: remove PartialEq from CloseTableResult
* fix(mito): Add metrics to mito DDL procedure
* feat(mito): Use procedure's implementation to create table
* feat(mito): Use procedure's implementation to alter table
* feat(mito): Use procedure's implementation to drop table
* style(mito): Fix clippy
* test(mito): Fix tests
* feat(mito): Add TableCreator
* feat(mito): update alter table procedure
* fix(mito): alter procedure create alter op first
* feat(mito): Combine alter table code
* fix(mito): Fix deadlock
* feat(mito): Simplify drop table procedure
* feat: support creating the physical plan for JSON and CSV files
* chore: apply suggestions from CR
* chore: apply suggestions from CR
* refactor(file-table-engine): use datasource Format instead
* refactor: Add table_ref() to requests as their methods
* feat: Add CreateImmutableFileTable
* feat: Add DropImmutableFileTable
* feat: Implement TableEngineProcedure for ImmutableFileTableEngine
* feat: Add common-procedure-test crate
* refactor: mito engine use common-procedure-test to test procedures
* test: Add test for create and drop table
* chore: Address review comments