Install `cross-env` as dev dependency for now

package.json

@@ -57,7 +57,6 @@
         "chartjs-adapter-dayjs": "^1.0.0",
         "command-exists": "^1.2.9",
         "compare-versions": "^3.6.0",
-        "cross-env": "^7.0.3",
         "dayjs": "^1.10.7",
         "express": "^4.17.1",
         "express-basic-auth": "^1.2.0",
@@ -96,6 +95,7 @@
         "@vitejs/plugin-vue": "^1.6.2",
         "@vue/compiler-sfc": "^3.2.11",
         "core-js": "^3.17.3",
+        "cross-env": "^7.0.3",
         "dns2": "^2.0.1",
         "eslint": "^7.32.0",
         "eslint-plugin-vue": "^7.17.0",