add ajv-keywords explicit version

Author: scole02

package.json

@@ -21,7 +21,8 @@
     "react-router-dom": "5.2.0",
     "react-scripts": "^5.0.1",
     "reactstrap": "8.8.1",
-    "sass": "1.53.0"
+    "sass": "1.53.0",
+    "ajv-keywords": "3.5.2"
   },
   "optionalDependencies": {
     "jquery": "3.5.1",