Update editor util method to make it compatible with Gutenberg new labeling Block Inserter (#52107)

* Update string for Block Inserter

* Add changelog

* Update util method and add comment

plugins/woocommerce/changelog/e2e-update-editor-util

@@ -0,0 +1,4 @@
+Significance: patch
+Type: dev
+
+Update editor util to use new string Block Inserter which is compatible with both Gutenberg and without it

plugins/woocommerce/tests/e2e-pw/utils/editor.js

@@ -68,9 +68,10 @@ const fillPageTitle = async ( page, title ) => {
 };
 
 const insertBlock = async ( page, blockName, wpVersion = null ) => {
+	// With Gutenberg active we have Block Inserter name
 	await page
 		.getByRole( 'button', {
-			name: 'Toggle block inserter',
+			name: /Toggle block inserter|Block Inserter/,
 			expanded: false,
 		} )
 		.click();