ESLint Plugin: Update ESLint and related deps to 6.8.x (#21424)

* ESLint Plugin: Update ESLint and related deps to 6.8.x

* Tests: Use Promises instead of done helper function

* Update packages/data/src/test/registry.js

Co-Authored-By: Andrew Duthie <andrew@andrewduthie.com>

* Chore: Add ESLint disable reasons for the jest-console tests

Co-authored-by: Andrew Duthie <andrew@andrewduthie.com>

.eslintrc.js

@@ -44,6 +44,7 @@ module.exports = {
 		},
 	},
 	rules: {
+		'jest/expect-expect': 'off',
 		'@wordpress/dependency-group': 'error',
 		'@wordpress/gutenberg-phase': 'error',
 		'@wordpress/react-no-unsafe-timeout': 'error',
@@ -167,6 +168,9 @@ module.exports = {
 		{
 			files: [ 'packages/e2e-test*/**/*.js' ],
 			extends: [ 'plugin:@wordpress/eslint-plugin/test-e2e' ],
+			rules: {
+				'jest/expect-expect': 'off',
+			},
 		},
 	],
 };