## Description
Due to the size limit on the BTree index we are creating GIN index for a
permission group. To support this we need to create a pg_trm extension.
## Automation
/ok-to-test tags="@tag.Sanity"
### 🔍 Cypress test results
<!-- This is an auto-generated comment: Cypress test results -->
> [!TIP]
> 🟢🟢🟢 All cypress tests have passed! 🎉🎉🎉
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/11212861701>
> Commit: d62be8f46ad45b1190bf5c014c0a8ea0c50cf284
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=11212861701&attempt=2"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Sanity`
> Spec:
> <hr>Mon, 07 Oct 2024 10:46:39 UTC
<!-- end of auto-generated comment: Cypress test results -->
## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [ ] No
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Enhanced database initialization by adding the creation of the
`pg_trgm` extension for PostgreSQL, improving text search capabilities.
- **Bug Fixes**
- Ensured the extension is created only if it does not already exist,
preventing unnecessary errors during setup.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
d49ec24c08