fix: enable on prod builds, not pr-to-prod builds

Author: colbywhite

.github/workflows/ci.yml

@@ -66,7 +66,6 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           RUN_LINK_CHECK: true
-          ENABLE_LAST_MOD_IN_SITEMAP: true
 
       - run: npm run check:worker
 

.github/workflows/publish-production.yml

@@ -28,6 +28,7 @@ jobs:
         name: Build
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          ENABLE_LAST_MOD_IN_SITEMAP: true
       - run: npx wrangler deploy
         name: Deploy to Cloudflare Workers
         env: