[Dev Deps] add missing peer dep

Author: ljharb

package.json

@@ -36,6 +36,7 @@
 	"devDependencies": {
 		"@ljharb/eslint-config": "^21.2.0",
 		"auto-changelog": "^2.5.0",
+		"encoding": "^0.1.13",
 		"eslint": "=8.8.0",
 		"npmignore": "^0.3.1",
 		"nyc": "^10.3.2",