Fix json

Author: kianenigma

package.json

@@ -7,7 +7,7 @@
 		"run": "yarn run build && node build/index.js",
 		"build": "./node_modules/.bin/rimraf ./build && ./node_modules/.bin/tsc",
 		"binary": "yarn run build && rimraf ./binaries &&./node_modules/.bin/nexe build/index.js --build -o binaries/polkadot-runtime-prom-exporter",
-		"publish": "npm publish",
+		"publish": "npm publish"
 	},
 	"author": "@kianenigma",
 	"license": "ISC",