fix: upgrade prop-types from 15.7.2 to 15.8.1 (#8387)

Snyk has created this PR to upgrade prop-types from 15.7.2 to 15.8.1.

See this package in npm:


See this project in Snyk:
https://app.snyk.io/org/argoproj/project/6a18a1f2-ca23-4308-af78-ec3a9478fc95?utm_source=github&utm_medium=referral&page=upgrade-pr

ui/package.json

@@ -24,7 +24,7 @@
         "json-merge-patch": "^0.2.3",
         "moment": "^2.29.2",
         "monaco-editor": "0.20.0",
-        "prop-types": "^15.7.2",
+        "prop-types": "^15.8.1",
         "react": "^16.14.0",
         "react-chartjs-2": "^2.11.2",
         "react-datepicker": "^2.14.0",