Fixes terra-ui build issue

[supreethmr]

Summary

Terra UI Build is failing due to use of relative path after MDX loader updates made on terra packages to fix CVE's.

ERROR in ./node_modules/@cerner/terra-core-docs/lib/terra-dev-site/doc/base/ChangeLog.3.doc.mdx 11:0-49
Module not found: Error: Can't resolve '../../../../CHANGELOG.md' in '/home/runner/work/terra-ui/terra-ui/node_modules/@cerner/terra-core-docs/lib/terra-dev-site/doc/base'
resolve '../../../../CHANGELOG.md' in '/home/runner/work/terra-ui/terra-ui/node_modules/@cerner/terra-core-docs/lib/terra-dev-site/doc/base'

Closes #

Testing

tested by running npm run compile:prod command ( Since terra-ui build is failing at npm run compile:prod stage)

Additional Details

Thank you for contributing to Terra.
@cerner/terra