Only add funder pages for those with pdfs in 100Change2025;

competitions/100Change2025/etl/compose-and-upload

@@ -925,6 +925,8 @@ def main():
 
 <!-- TABS: %s -->""" % (proposal.key(), tab_type),
             )
+
+        if "Funder Update" in proposal.cell("Attachments") and proposal.cell("Attachments")["Funder Update"]:
             my_wiki.create_page(
                 "Funder Update for %s" % proposal.cell("MediaWiki Title"),
                 """{{ #tdcrender:100Change2025/id/%s.mwiki|FunderUpdate }}