ADF Feb release

[akhadem]

Upgrade powershell code to use new MAML version 0.15.3-preview.

[azurecla]

Hi @akhadem, I'm your friendly neighborhood Azure Pull Request Bot (You can call me AZPRBOT). Thanks for your contribution!

It looks like you're working at Microsoft (akhadem). If you're full-time, we DON'T require a contribution license agreement.

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[markcowl]

@akhadem If this is the same as your PR against the release branch, please don't do this. We will automatically pick up these changes when we release and push the release branch to dev.