fix: upgrade simpl-schema from 1.7.3 to 1.8.0

Snyk has created this PR to upgrade simpl-schema from 1.7.3 to 1.8.0.

See this package in NPM:
https://www.npmjs.com/package/simpl-schema

See this project in Snyk:
https://app.snyk.io/org/reactioncommerce/project/e8816fe3-502b-4b19-a033-4a572f02cff4?utm_source=github&utm_medium=upgrade-pr

package.json

@@ -28,7 +28,7 @@
     "@reactioncommerce/api-utils": "^1.14.2",
     "@reactioncommerce/random": "^1.0.2",
     "@reactioncommerce/reaction-error": "^1.0.1",
-    "simpl-schema": "^1.7.1"
+    "simpl-schema": "^1.8.0"
   },
   "devDependencies": {
     "@commitlint/cli": "^8.3.5",