chore(deps): update jest monorepo to v26.6.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
babel-jest	devDependencies	minor	26.5.2 -> 26.6.0
jest (source)	devDependencies	minor	26.5.3 -> 26.6.0

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Release Notes

facebook/jest

### [`v26.6.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#​2660) [Compare Source](https://togithub.com/facebook/jest/compare/v26.5.2...v26.6.0) ##### Features - `[jest-cli, jest-config]` Add support for the `jest.config.ts` configuration file ([#​10564](https://togithub.com/facebook/jest/pull/10564)) ##### Fixes - `[jest-config]` Simplify transform RegExp ([#​10207](https://togithub.com/facebook/jest/pull/10207)) - `[jest-fake-timers]` Lazily instantiate mock timers ([#​10551](https://togithub.com/facebook/jest/pull/10551)) - `[jest-runtime]` `require.main` is no longer `undefined` when using `jest.resetModules` ([#​10626](https://togithub.com/facebook/jest/pull/10626)) - `[@jest/types]` Add missing values for `timers` ([#​10632](https://togithub.com/facebook/jest/pull/10632)) ##### Chore & Maintenance - `[docs]` Add step for fetching `backers.json` file in website setup docs ([#​10631](https://togithub.com/facebook/jest/pull/10631)) - `[docs]` Add page detailing environment variables set by Jest ([#​10630](https://togithub.com/facebook/jest/pull/10630)) - `[jest-circus]` Refactor `callAsyncCircusFn` parameters ([#​10629](https://togithub.com/facebook/jest/pull/10629))

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