Upgrade eslint-plugin-flowtype

Author: robertrossmann

package-lock.json

@@ -15,7 +15,7 @@
     "Vladimir Vanek <[email protected]>"
   ],
   "dependencies": {
-    "eslint-plugin-flowtype": "^2.36.0",
+    "eslint-plugin-flowtype": "^2.39.1",
     "eslint-plugin-import": "^2.7.0",
     "eslint-plugin-jsx-a11y": "^6.0.2",
     "eslint-plugin-react": "^7.4.0"

package.json

@@ -167,6 +167,10 @@ module.exports = {
 
     // eslint-plugin-flowtype
 
+    // Requires use of $ReadOnlyArray instead of just Array or array shorthand notation
+    // Unused, not sure about its benefits and probably too restrictive.
+    'no-mutable-array': 0,
+
     // Enforces sorting of Object annotations.
     // This rule mirrors ESlint's sort-keys rule.
     'flowtype/sort-keys': 0,