fix: Add missing transform option to YAML autocomplete configuration

[shloimy-wiesel]

Description

Added support for the transform option in the YAML autocomplete configuration schema.
This allows users to explicitly disable trimming of multiline completions by setting transform: false.

Checklist

• I've read the contributing guide
• The relevant docs, if any, have been updated or created
• [] The relevant tests, if any, have been updated or created

Tests

No new tests were added. Existing tests continue to pass, and manual verification confirms the schema now correctly accepts the transform option.

Fixes #7506

---

Summary by cubic

Add the missing transform option to the YAML autocomplete config schema. This lets users set transform: false to prevent trimming of multiline completions and avoids schema validation errors.

[github-actions]

All contributors have signed the CLA ✍️ ✅
_{Posted by the CLA Assistant Lite bot.}

[shloimy-wiesel]

I have read the CLA Document and I hereby sign the CLA

[RomneyDa]

@shloimy-wiesel can you add this to the docs?
in the config.yaml reference

[shloimy-wiesel]

@shloimy-wiesel can you add this to the docs? in the config.yaml reference

Sure! I’ve added it to the docs in the config.yaml reference.

[sestinj]

🎉 This PR is included in version 1.13.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀