chore: update gulp-less from v4 to v5 (#8137)

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## Purpose
Remove vulnerable lodash pick that was used by gulp-less version 4.

## Approach
Updated version of gulp-less from version 4 to 5

## References
https://github.com/DevExpress/testcafe/security/dependabot/24

## Pre-Merge TODO
- [ ] Write tests for your proposed changes
- [ ] Make sure that existing tests do not fail

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Co-authored-by: Bayheck <adil.rakhaliyev@devexpress.com>