fix: upgrade eslint-plugin-flowtype from 5.2.0 to 5.7.0

Snyk has created this PR to upgrade eslint-plugin-flowtype from 5.2.0 to 5.7.0.

See this package in npm:
https://www.npmjs.com/package/eslint-plugin-flowtype

See this project in Snyk:
https://app.snyk.io/org/kadirselcuk/project/6730b42f-524a-403c-94d6-f57fc4dd81ac?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -59,7 +59,7 @@
     "chai": "4.2.0",
     "cspell": "5.2.4",
     "eslint": "7.18.0",
-    "eslint-plugin-flowtype": "5.2.0",
+    "eslint-plugin-flowtype": "5.7.0",
     "eslint-plugin-import": "2.22.1",
     "eslint-plugin-internal-rules": "file:./resources/eslint-internal-rules",
     "eslint-plugin-istanbul": "0.1.2",