General: Ensure newline at end of file.

Follow up to [57432].

git-svn-id: https://develop.svn.wordpress.org/branches/5.8@57448 602fd350-edb4-49c9-b593-d223f7449a82

Author: desrosj

package-lock.json

@@ -175,4 +175,4 @@
 		"test:e2e": "node ./tests/e2e/run-tests.js",
 		"wp-packages-update": "wp-scripts packages-update"
 	}
-}
+}