Add note about Microsoft repository prompt during VS Code install on linux

[Anoop23xx]

…Linux

Added a tip note explaining that users should select "Yes" when prompted to add the Microsoft apt repository during the installation of VS Code. This helps enable automatic updates and avoids confusion during setup.

Because

This pull request adds a helpful tip for Linux users installing Visual Studio Code. It clarifies that when prompted to add the Microsoft apt repository during installation, users should select "Yes" to enable future updates. This improves clarity for beginners and prevents confusion during setup.

This PR

Added a new note under the Linux VS Code installation section.

Explained the prompt to add the Microsoft apt repository and signing key.

Instructed users to select “Yes” when asked to enable automatic VS Code updates.

Issue

Closes #29503

Additional Information

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