Issue #3211601 by bnjmnm, nod_, zrpnr, lauriii: Update jQuery to version 3.6.0

core/assets/vendor/jquery/jquery.js

core/assets/vendor/jquery/jquery.min.js

core/assets/vendor/jquery/jquery.min.map

core/core.libraries.yml

core/misc/cspell/dictionary.txt

...ent_polyfilll_test/jquery_keyevent_polyfill_test.info.yml

...olyfilll_test/jquery_keyevent_polyfill_test.libraries.yml

...event_polyfilll_test/jquery_keyevent_polyfill_test.module

...eyevent_polyfilll_test/js/jquery.keyevent.polyfill.es6.js

...ry_keyevent_polyfilll_test/js/jquery.keyevent.polyfill.js

...ts/Drupal/FunctionalJavascriptTests/WebDriverTestBase.php