Release/812.0.0

[dan437]

Explanation

Updates transaction-pay-controller to v15.0.1.

References

Checklist

• I've updated the test suite for new or updated code as appropriate
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
• I've communicated my changes to consumers by updating changelogs for packages I've changed
• I've introduced breaking changes in this PR and have prepared draft pull requests for clients and consumer packages to resolve them

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Note

Low Risk
Version/changelog-only release bookkeeping with no functional code changes in this PR.

Overview
Bumps the monorepo version to 812.0.0 and releases @metamask/transaction-pay-controller 15.0.1.

Updates the transaction-pay-controller changelog for 15.0.1, noting a fix to estimate Relay transactions separately and combine with the original transaction gas at quote time.

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