update sitemap workflow

Author: EliLawrence

.github/workflows/gha_generate_sitemap.yml

@@ -28,6 +28,6 @@ jobs:
       run: |
         git config --global user.name "GitHub Actions Bot"
         git config --global user.email "actions@github.com"
-        git add sitemap.xml
-        git commit -m "Update sitemap"
+        git add jsonFiles/*/sitemap.xml
+        git commit -m "Update sitemaps"
         git push