Add consent opt out

[silesky]

Add support for opt-out consent.

OneTrust Consent Model	Behavior
Opt-in	Opt-in
Opt-out	Opt-out
Implicit Consent	Opt-in
Default (any other model)	Opt-out

Note: to override the default behavior for OneTrust, the following setting(s) have been added:

withOneTrust(analytics, { consentModel: () => 'opt-out' | 'opt-in' })

• [x] I've included a changeset (psst. run yarn changeset. Read about changesets here).

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: f294612a13f501793c9ce8246d858b9429bf5db8

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

| Name | Type | | ------------------------------------------- | ----- | | @segment/analytics-consent-tools | Major | | @segment/analytics-consent-wrapper-onetrust | Major |

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