fix(YALB-1550): update single_content_sync

I reported the issue between beta2 and beta4 to the maintainers and they
were able to create a fix for our issue.  This allows
single_content_sync to continue with latest releases.

Reference: https://www.drupal.org/project/single_content_sync/issues/3384856

web/profiles/custom/yalesites_profile/composer.json

@@ -80,7 +80,7 @@
     "drupal/section_library": "^1.1",
     "drupal/selective_better_exposed_filters": "^3.0@beta",
     "drupal/simple_sitemap": "^4.1",
-    "drupal/single_content_sync": "1.4.0-beta2",
+    "drupal/single_content_sync": "^1.4",
     "drupal/smart_date": "^3.5",
     "drupal/twig_tweak": "^3.1",
     "drupal/upgrade_status": "^3.18",