chore(deps): update eslint

Author: renovate-bot

package.json

@@ -37,11 +37,11 @@
     "danger": "^10.5.0",
     "date-fns": "^1.30.1",
     "dictionary-en": "^3.0.1",
-    "eslint": "^5.16.0",
+    "eslint": "^7.12.1",
     "eslint-config-google": "^0.14.0",
     "eslint-config-prettier": "^6.15.0",
     "eslint-plugin-filenames": "^1.3.2",
-    "eslint-plugin-flowtype": "^3.13.0",
+    "eslint-plugin-flowtype": "^5.2.0",
     "eslint-plugin-import": "^2.22.1",
     "eslint-plugin-jsx-a11y": "^6.4.1",
     "eslint-plugin-prettier": "^3.1.4",