Update Redgate SQL Prompt to 0.2.17

[shivanand-sh]

Update Redgate SQL Prompt extension to version 0.2.17

[github-actions]

MSFT Gallery Maintainer Only
This is a reminder to update the Extensions Gallery list at https://github.com/Microsoft/azuredatastudio/wiki/List-of-Extensions once this PR has been merged in.
Instructions for doing this can be found here.

[kburtram]

@shivanand-sh please accept the CLA following the instructions above. Thanks!

[kburtram]

@shivanand-sh please let us know if you'd like to proceed with this PR, by accepting the Contributor License Agreement and updating the branch for merge conflicts since the PR was opened. Otherwise, we'll close as part of routine repo maintenance next week. Thanks!

[shivanand-sh]

@kburtram Thank you for the reminder.
Our internal legal team is currently reviewing the license. Kindly request you to hold off on closing this PR for a bit longer. We should be able to provide a response within a week or two.

[kburtram]

@shivanand-sh sounds great, please ping the PR again once it's ready to merge. Thanks!

[shivanand-sh]

@kburtram I will go ahead an close this PR, as we have decided not to merge these changes for now. We shall raise a new PR if we decide to update the extension version in future.
Thank you.