Fix spelling of 'Uri' to 'URI' in documentation.

[dekobon]

Corrected the spelling of 'Uri' to 'URI' for consistency.

(cherry picked from commit 8cac33f)

[github-actions]

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[Copilot]

Pull Request Overview

Corrects acronym capitalization in documentation for consistency.

• Standardizes Uri to URI in environment variable description
• Documentation-only change (no code impact)

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[github-actions]

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