build: Updating ansi-regex to 5.0.1
- https://npmjs.com/advisories/5197 (CVE-2021-3807)
Additional changes:
- composer.json: Updated phpcs command in composer test (T280592).
- composer.json: Added phpcs command to scripts (T280592).
Change-Id: Ib9947aa3f7fd825bfcc6645bc24e11988f51b3c6