fix(arduino): adds ESP32-P4 to the package description

[SuGlider]

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Description of Change

Updates the Package description to add the P4 in 3.1.0

Tests scenarios

N/A

Related links

N/A

[github-actions]

	Warnings
⚠️	The **target branch** for this Pull Request **must be the default branch** of the project (`master`). If you would like to add this feature to a different branch, please state this in the PR description and we will consider it.

👋 Hello SuGlider, we appreciate your contribution to this project!

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[VojtechBartoska]

Lets merge this after P4 initial support is merged.

• we need to update also SoCs overview table in project documentation page

[lucasssvaz]

Lets merge this after P4 initial support is merged.

* we need to update also SoCs overview table in project documentation page

We can already merge. This is targeting the release v3.1.x branch and wont appear in the main page

[VojtechBartoska]

@lucasssvaz you are right