Rename api_schemata to api_schemas

[pyramation]

Summary

Renames the services_public.api_schemata table to api_schemas to match the naming convention used in constructive-db. This fixes the error: relation "services_public.api_schemata" does not exist when using pgpm-modules.

Changes across two packages:

• services: Renamed deploy/revert folders, updated SQL table definition, index names, pgpm.plan, and test file
• metaschema-schema: Renamed revert/verify folders and updated README documentation

Review & Testing Checklist for Human

• Breaking change consideration: Verify no existing deployments depend on the api_schemata table name. If they do, a migration strategy may be needed.
• Run tests: Execute pnpm test in packages/services to verify the test passes with the new table name
• Check for other consumers: Search constructive-db and any other repos that might reference api_schemata to ensure they've been updated

Notes

This is an upstream sync from constructive-db/pgpm-modules where the table was already renamed to api_schemas.

Link to Devin run: https://app.devin.ai/sessions/5d6536c4a35049f79948e80b2d8a6c05
Requested by: Dan Lynch (@pyramation)

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