Renamed 'whitelist' to 'allowlist' in DMI plugin

[vraravam]

Description

Deprecate whitelist and replace with allowlist. Use the deprecation syntax to keep the old method alive - but marked as deprecated.

Related Issue

Fixes #1458

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Chore (non-breaking change that does not add functionality or fix an issue)

Checklist:

• I have read the CONTRIBUTING document.
• I have run the pre-merge tests locally and they pass.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.
• All commits have been signed-off for the Developer Certificate of Origin.

[tas50]

@vraravam Can you revert the parts that change the changelog and the release notes. Those are historic documents and need to have the original names.

[vraravam]

done @tas50 - please re-verify

[tas50]

Thanks for fixing this up