[Watch] Fetch stats data

[Ecarrion]

closes #12498

Why

This PR fetches the necessary data for the my store page.

How

• Reuse the data service from the widget extension to fetch stats data
• Send the store name information as a dependency from the phone app.
• Add WooFoundation support.
• Make dependencies non optional for easier handling.

Demo

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• [x] I have considered if this change warrants user-facing release notes and have added them to RELEASE-NOTES.txt if necessary.

[dangermattic]

	1 Warning
:warning:	This PR is larger than 500 lines of changes. Please consider splitting it into smaller PRs for easier and faster reviews.

Generated by :no_entry_sign: Danger

[wpmobilebot]

📲 You can test the changes from this Pull Request in WooCommerce iOS by scanning the QR code below to install the corresponding build.

	App Name	WooCommerce iOS
	Build Number	pr12751-e6acb55
	Version	18.6
	Bundle ID	com.automattic.alpha.woocommerce
	Commit	e6acb55cef47c8b3465c740162a4e0e1c471e1e1
	App Center Build	WooCommerce - Prototype Builds #9088

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