Get Site Endpoint: Add difm_lite_site_options to response

[aneeshd16]

Fixes Automattic/martech#1120

Changes proposed in this Pull Request:

• This change attempts adds difm_lite_site_options to the get site endpoint. This was added to WPCOM via D70482-code

Other information:

• [ ] Have you written new tests for your changes, if applicable? - NA
• [x] Have you checked the E2E test CI results, and verified that your changes do not break them?

Jetpack product discussion

Does this pull request change what data or activity we track or use?

Testing instructions:

• After checkout out this branch, installing the plugin and connecting to WPCOM, check the response of https://public-api.wordpress.com/rest/v1.2/sites/<your site id>
• The options key should contain a child key called difm_lite_site_options.

[github-actions[bot]]

Are you an Automattician? You can now test your Pull Request on WordPress.com. On your sandbox, run bin/jetpack-downloader test jetpack update/site-endpoint-difm-options to get started. More details: p9dueE-5Nn-p2

[github-actions[bot]]

Thank you for your PR!

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Jetpack plugin:

• Next scheduled release: October 4, 2022.
• Scheduled code freeze: September 27, 2022.

[matticbot]

Caution: This PR has changes that must be merged to WordPress.com Hello aneeshd16! These changes need to be synced to WordPress.com - If you 're an a11n, please commandeer and confirm D88805-code works as expected before merging this PR. Once this PR is merged, please commit the changes to WP.com. Thank you! This revision will be updated with each commit to this PR

[github-actions[bot]]

Great news! One last step: head over to your WordPress.com diff, D88805-code, and deploy it. Once you've done so, come back to this PR and add a comment with your SVN changeset ID (e.g. r12345-wpcom).

Thank you!

[aneeshd16]

Shipped: r253575-wpcom