MC-34573: Update TinyMCE

- Deprecated all tinymce related test content

Author: Hwashiang Yu

app/code/Magento/PageBuilder/Test/Mftf/Test/AdminCMSPageDisablePageBuilderTest/AdminAddImageToCMSPageTinyMCE3Test.xml

@@ -7,7 +7,12 @@
 -->
 <tests xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/testSchema.xsd">
-    <test name="AdminAddImageToCMSPageTinyMCE3Test">
+    <test name="AdminAddImageToCMSPageTinyMCE3Test" deprecated="TinyMCE3 is no longer supported">
+        <annotations>
+            <skip>
+                <issueId value="DEPRECATED">TinyMCE3 is no longer supported</issueId>
+            </skip>
+        </annotations>
          <before>
             <magentoCLI command="config:set cms/pagebuilder/enabled 0" stepKey="disablePageBuilder" before="loginAsAdmin"/>
          </before>