* feat: Remove create_mock_sql_handler()
create_to_request() and alter_to_request() don't need `&self`, so
we don't need to mock the sql handler to test them
* feat: Enable procedure manager by default
* docs: Update config example
* test: Enable procedure framework in all tests
* refactor(datanode): rename methods using procedure
* test(catalog): Fix temp dir drops before test finishes
* tests: Enable procedure framework in sqlness
* test: Fix sqlness standalone rename test
* fix: Drop procedure allows table not in engine
* test: Change rename table test
* fix: add options to table meta when creating table by procedure
* test: adjust error message in schema test case
* test: Fix test_sql_api error message
* fix: Serialize FrontendOptions to toml
* fix: Serialize DatanodeOptions to toml
* fix: Serialize StandaloneOptions to toml
See https://users.rust-lang.org/t/why-toml-to-string-get-error-valueaftertable/85903/2
* chore!: Rename MetaClientOpts to MetaClientOptions
BREAKING CHANGE: Change the meta_client_opts in the config file to
meta_client_options