Mark transpiled JSX elements as pure (#11126)

* Mark transpiled JSX elements as pure

* Avoid duble annotation

* Add "pure" option to the React preset

* Fix generator indentation

* Update tests

* Add tests for the "pure" option

* Update windows fixtures

packages/babel-plugin-transform-react-jsx/test/fixtures/nextReactClassic/assignment/output.js

@@ -1,4 +1,4 @@
 /** @jsxRuntime classic */
-var div = React.createElement(Component, { ...props,
+var div = /*#__PURE__*/React.createElement(Component, { ...props,
   foo: "bar"
 });