Issue #2913460 by Eric_A: drupal/core-class-finder missing from replace section

core/composer.json

@@ -75,6 +75,7 @@
         "drupal/core-annotation": "self.version",
         "drupal/core-assertion": "self.version",
         "drupal/core-bridge": "self.version",
+        "drupal/core-class-finder": "self.version",
         "drupal/core-datetime": "self.version",
         "drupal/core-dependency-injection": "self.version",
         "drupal/core-diff": "self.version",