feat: support per table memtable options

[evenyag]

I hereby agree to the terms of the GreptimeDB CLA.

Refer to a related PR or issue link (optional)

• Support per-table memtable settings #3183
• Tracking issue for the memtable improvement #2804

What's changed and what's your intention?

This PR supports configuring memtable options for each table. It replaces the global memtable builder in the worker with a builder factory MemtableBuilderProvider.

By default, all regions use the same default_memtable_builder. If memtable.type is specified in the region options, the provider will create a new memtable for the region. The memtable config in the MitoConfig only applies to the default memtable.

create table if not exists test_memtable(
    host string,
    ts timestamp,
    memory double,
    TIME INDEX (ts),
    PRIMARY KEY(host)
)
engine=mito
with(
    'memtable.type' = 'time_series',
);

This PR changes the default global memtable to the old time_series memtable. It enables the new memtable in the metric engine by setting the memtable type explicitly.

It also fixes an issue that the region uses the default value instead of returning an error if compaction.twcs.max_active_window_files isn't a valid integer.

Checklist

• I have written the necessary rustdoc comments.
• I have added the necessary unit tests and integration tests.
• This PR does not require documentation updates.

[v0y4g3r]

LGTM

[v0y4g3r]

Hopefully we won't end up with MemtableBuilderProviderBuilder 😅