Auto Suggest feature of SLDS Validator Extension on VS Code is not working

[Luffy3315]

Summary

I have my vs code on latest version and salesforce SLDS validator extension on 2.0.12.
When clicked on Ctrl + Space the auto suggest is not popping up the suggested slds classes.
This work with version 1.4.11 but not with version starting with 2.0.XX

Steps To Reproduce:

1. Update SLDS Validator to any version starting with 2.0.XX.
2. Create LWC cmp and include class attribute in any html tag and type "slds-" and ctrl + space

Expected result

List of relevant suggested SLDS classes.

Actual result

Showing "No Suggestion".

Additional information

Feel free to attach a screenshot.

VS Code Version:

SFDX CLI Version:

OS and version: