v2.9.4-canary.7

<!-- Release notes generated using configuration in .github/release.yml at v2.9.4-canary.7 -->

What's Changed

Changelog

• fix(config): Deep-merge nested OTEL config across priority sources by @bitttttten in https://github.com/vercel/turborepo/pull/12513
• fix: Retain microfrontend proxy tasks when using filterUsingTasks by @anthonyshew in https://github.com/vercel/turborepo/pull/12545

Full Changelog: https://github.com/vercel/turborepo/compare/v2.9.4-canary.6...v2.9.4-canary.7