[TASK] Update EXT:demologin to use valid extension key

src/extensions/demologin/composer.json

@@ -8,6 +8,11 @@
 			"B13\\DemoLogin\\": "Classes/"
 		}
 	},
+	"extra": {
+		"typo3/cms": {
+			"extension-key": "demologin"
+		}
+	},
 	"require": {
 		"typo3/cms-core": "^10.4 || ^11"
 	}