[Dev Deps] add missing peer dep

Author: ljharb

package.json

@@ -59,6 +59,7 @@
 		"@types/object-inspect": "^1.13.0",
 		"@types/tape": "^5.8.0",
 		"auto-changelog": "^2.5.0",
+		"encoding": "^0.1.13",
 		"es-value-fixtures": "^1.5.0",
 		"eslint": "=8.8.0",
 		"evalmd": "^0.0.19",