Bump versions in mkdocs

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[Copilot]

Pull request overview

This PR updates the documentation tooling dependencies by bumping the versions of two mkdocs-related packages to their newer releases.

• Updated mkdocs-material from version 9.6.19 to 9.7.0
• Updated mkdocs-macros-plugin from version 1.3.7 to 1.5.0

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