Include CH in CoMo regions conditionally

[nfmohit]

Summary

Addresses issue:

• Include Switzerland in Consent Mode regions from ~July 31st, 2024. #8643

Relevant technical choices

This PR adds Switzerland (CH) to the list of Consent Mode regions if it is 31 July 2024 or later, OR, if the consentModeSwitzerland feature flag is enabled.

Deviations from IB

It was necessary to express the list of statically defined consent mode regions on the client side as the consent mode settings didn't prove to be very reliable for the regions. Suppose, in a scenario where CoMo was set up earlier and this PR gets merged now, the list of regions in consent mode settings doesn't get updated.

PR Author Checklist

• My code is tested and passes existing unit tests.
• My code has an appropriate set of unit tests which all pass.
• My code is backward-compatible with WordPress 5.2 and PHP 7.4.
• My code follows the WordPress coding standards.
• My code has proper inline documentation.
• I have added a QA Brief on the issue linked above.
• I have signed the Contributor License Agreement (see https://cla.developers.google.com/).

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Code Reviewer Checklist

• Run the code.
• Ensure the acceptance criteria are satisfied.
• Reassess the implementation with the IB.
• Ensure no unrelated changes are included.
• Ensure CI checks pass.
• Check Storybook where applicable.
• Ensure there is a QA Brief.

Merge Reviewer Checklist

• Ensure the PR has the correct target branch.
• Double-check that the PR is okay to be merged.
• Ensure the corresponding issue has a ZenHub release assigned.
• Add a changelog message to the issue.

[github-actions]

Build files for 90f4f55 have been deleted.

[github-actions]

Size Change: +148 B (+0.01%)

Total Size: 1.44 MB

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ℹ️ View Unchanged

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[kuasha420]

@nfmohit Thank you for the PR. The changes LGTM and the deviation from IB makes sense. I'll approve it and move it over to MR for @techanvil to have a look since he's much more familiar with CoMo. Cheers.

[techanvil]

LGTM, nice one @nfmohit!

[techanvil]

I approved the PR, but then noticed a merge conflict had appeared so have merged develop and resolved the conflict.