Update database provider note in NestJS guide

[gideonadeti]

In the NestJS guide (section 2.1), the info block mentions PostgreSQL as an alternative database option. Since this specific guide is already built using PostgreSQL, listing it as an "alternative" is redundant and confusing for beginners. I have updated the text to clarify that other databases are supported, without listing the currently used database as an option.

Summary by CodeRabbit

• Documentation
  • Updated NestJS guide to clarify the list of supported database driver adapters available for non-default providers.

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[coderabbitai]

Walkthrough

A single documentation file was modified to remove PostgreSQL from the list of alternative driver adapters mentioned in an info note within the NestJS guide. The list now references only MySQL and SQL Server as alternative options for non-default providers.

Changes

Cohort / File(s)	Summary
NestJS Documentation Update content/800-guides/430-nestjs.mdx	Updated driver adapter alternatives list in info note; removed PostgreSQL, retaining MySQL and SQL Server

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• DC-5237 NestJS Guide #7327 — Modifies the same NestJS guide file, likely addressing related documentation updates or enhancements to the guide structure.

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and specifically describes the main change: updating documentation about database providers in the NestJS guide, which directly matches the changeset.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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