Update to eslint 8.21.0

package.json

@@ -24,7 +24,7 @@
         "electron": "19.0.10",
         "electron-builder": "23.1.0",
         "electron-notarize": "1.2.1",
-        "eslint": "8.20.0"
+        "eslint": "8.21.0"
     },
     "eslintConfig": {
         "env": {