Fix Configure Identity link in Managed DevOps docs

[richardsondev]

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[prmerger-automator[bot]]

@richardsondev : Thanks for your contribution! The author(s) have been notified to review your proposed change.

[Court72]

@steved0x

Can you review the proposed changes?

Important: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged" @MicrosoftDocs/public-repo-pr-review-team

[steved0x]

@richardsondev Thank you for catching that!

#sign-off