Update Subscriptions API data layers with forest_carbon_diligence_30m

[asonnenschein]

Related Issue(s):

Closes # DND-721

Proposed Changes:

For inclusion in changelog (if applicable):

1. Update Subscriptions API data layers with forest_carbon_diligence_30m

Not intended for changelog:

1. N/A

Diff of User Interface

Old behavior: Data layer forest_carbon_diligence_30m was not enabled as a source type for Subscriptions API.

New behavior: Data layer forest_carbon_diligence_30m is enabled as a source type for Subscriptions API.

PR Checklist:

• [x] This PR is as small and focused as possible
• [x] If this PR includes proposed changes for inclusion in the changelog, the title of this PR summarizes those changes and is ready for inclusion in the Changelog.
• [x] I have updated docstrings for function changes and docs in the 'docs' folder for user interface / behavior changes
• [x] This PR does not break any examples or I have updated them

(Optional) @mentions for Notifications: