chore: updates build process

Author: candicecz

package.json

@@ -3,10 +3,11 @@
   "private": true,
   "scripts": {
     "dev": "next dev",
-    "build": "env-cmd -f .env.production yarn run generate-footer-content && yarn run generate-metadata-completeness-fields && yarn run generate-dataset-sitemaps && next build",
-    "build:staging": "env-cmd -f .env.staging yarn build",
-    "build:dev": "env-cmd -f .env.dev yarn build",
-    "postbuild": "env-cmd -f .env.production next-sitemap",
+    "build:core": "yarn generate-footer-content && yarn generate-metadata-completeness-fields && next build",
+    "build": "env-cmd -f .env.production yarn build:core",
+    "build:staging": "env-cmd -f .env.staging yarn build:core",
+    "build:dev": "env-cmd -f .env.dev  yarn build:core",
+    "postbuild": "env-cmd -f .env.production yarn generate-dataset-sitemaps && next-sitemap",
     "start": "next start",
     "lint": "next lint",
     "generate-schema-definitions": "env-cmd -f .env.production tsx scripts/generate-schema-definitions/index.ts",