test: Use deprecated personalAccessToken in E2E to check it

Author: javierbrea

components/markdown-confluence-sync/markdown-confluence-sync.config.cjs

@@ -31,11 +31,7 @@ module.exports = {
   ],
   confluence: {
     url: process.env.CONFLUENCE_URL,
-    authentication: {
-      oauth2: {
-        accessToken: process.env.CONFLUENCE_PAT,
-      },
-    },
+    personalAccessToken: process.env.CONFLUENCE_PAT,
     spaceKey: process.env.CONFLUENCE_SPACE_KEY,
     rootPageId: process.env.CONFLUENCE_ROOT_PAGE_ID,
     rootPageName: "Cross",