Update deployment instructions for OSDU Admin UI

[diksha-hop]

Updated installation instructions and configuration settings for OSDU Admin UI deployment. Changed Node.js version, added REDIRECT_URI variable, and modified build and upload commands.

[prmerger-automator]

@diksha-hop : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod]

Learn Build status updates of commit de760d0:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/energy-data-services/how-to-deploy-osdu-admin-ui.md	✅Succeeded

For more details, please refer to the build report.

[Copilot]

Pull request overview

This PR updates the deployment instructions for OSDU Admin UI to reflect current best practices and requirements. The changes modernize the installation process and correct configuration issues.

Key changes:

• Updated Node.js version from 14.17.3 to 20.19.6
• Added REDIRECT_URI environment variable for static website configuration
• Modified build command to use azure-prod configuration and corrected output path

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[v-dirichards]

@EirikHaughom

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

[diksha-hop]

#sign-off

[prmerger-automator]

Invalid command: '#sign-off'. Only the assigned author of one or more file in this PR can sign off. @EirikHaughom

[v-regandowner]

@diksha-hop - In the public repo, pull requests should be signed off by the author, another member of the content team, or a PM.

@EirikHaughom - Could you take a look? Thanks!

[Mrkell76]

@