Angular 16 upgrade

[JeraldJF]

SunbirdEd - Portal

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[Copilot]

Pull Request Overview

This PR adds a step to update the Browserslist/caniuse-lite database in the GitHub Actions workflow for building and pushing Docker images. The update ensures that the build process has access to the latest browser version information.

• Adds a new "Update Browserslist DB" step before client dependency installation

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