chore: add Moment for testing to work

Moment was previously included by a third party package (cron), but they changed to Luxon, so Moment needs to be installed in addition now.

Author: mikaello

package.json

@@ -23,6 +23,7 @@
   "devDependencies": {
     "@glennsl/rescript-jest": "0.9.1",
     "@ristostevcev/bs-odoc": "1.3.0",
+    "moment": "2.29.3",
     "rescript": "9.1.4",
     "rescript-jest-date-mock": "2.0.1"
   },

yarn.lock

@@ -1973,6 +1973,11 @@ moment-timezone@^0.5.x:
   dependencies:
     moment ">= 2.9.0"
 
+moment@2.29.3:
+  version "2.29.3"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.3.tgz#edd47411c322413999f7a5940d526de183c031f3"
+  integrity sha512-c6YRvhEo//6T2Jz/vVtYzqBzwvPT95JBQ+smCytzf7c50oMZRsR/a4w88aD34I+/QVSfnoAnSBFPJHItlOMJVw==
+
 "moment@>= 2.9.0":
   version "2.29.3"
   resolved "https://registry.npmjs.org/moment/-/moment-2.29.3.tgz"