* docs: update README.md

* docs: update .all-contributorsrc

* docs: update README.md

* docs: update .all-contributorsrc

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

Closes #430

BREAKING CHANGE: This drops support for Node 8. Node 10 or greater is now required.

Closes #372

BREAKING CHANGE: If you used the `selector` option in `ByLabelText` queries, then you will probably need to update that code to be able to find the label you're looking for.

Closes #376
Closes #416

BREAKING CHANGE: wait is now deprecated in favor of waitFor (which has basically the same API except it requires a callback and it also accepts optional mutation observer arguments).
BREAKING CHANGE: `waitForElement` is deprecated in favor of `find*` queries or `wait`.
BREAKING CHANGE: `waitForDomChange` is deprecated in favor of `wait`
BREAKING CHANGE: default timeout for async utilities is now 1000ms rather than 4500ms. This can be configured: https://testing-library.com/docs/dom-testing-library/api-configuration

Closes #413
Closes #357

BREAKING CHANGE: MutationObserver is supported by all major browsers and recent versions of JSDOM. If you need, you can create your own shim (using @sheerun/mutationobserver-shim) and attach it to the window.

…460)

This should have been in the major version bump but wasn't.

Nobody should be using this anyway so I'm just pushing this in directly.

Sorry if this broke you. I'll send you a gif if you ask me to 💚