Add all program chairs apart from publication chairs to editor list (#5768)

Author: kaustubhdhole

data/xml/2025.gem.xml

@@ -3,8 +3,20 @@
   <volume id="1" ingest-date="2025-08-05" type="proceedings">
     <meta>
       <booktitle>Proceedings of the Fourth Workshop on Generation, Evaluation and Metrics (GEM²)</booktitle>
+      <editor><first>Ofir</first><last>Arviv</last><affiliation>IBM Research</affiliation></editor>
+      <editor><first>Miruna</first><last>Clinciu</last><affiliation>Heriot Watt University</affiliation></editor>
       <editor><first>Kaustubh</first><last>Dhole</last><affiliation>Emory University</affiliation></editor>
-      <editor><first>Miruna</first><last>Clinciu</last><affiliation>Heriot-Watt University</affiliation></editor>
+      <editor><first>Rotem</first><last>Dror</last><affiliation>University of Haifa</affiliation></editor>
+      <editor><first>Sebastian</first><last>Gehrmann</last><affiliation>Bloomberg</affiliation></editor>
+      <editor><first>Eliya</first><last>Habba</last><affiliation>Hebrew University of Jerusalem</affiliation></editor>
+      <editor><first>Itay</first><last>Itzhak</last><affiliation>Hebrew University of Jerusalem</affiliation></editor>
+      <editor><first>Simon</first><last>Mille</last><affiliation>Dublin City University</affiliation></editor>
+      <editor><first>Yotam</first><last>Perlitz</last><affiliation>IBM Research</affiliation></editor>
+      <editor><first>Enrico</first><last>Santus</last><affiliation>Bloomberg</affiliation></editor>
+      <editor><first>João</first><last>Sedoc</last><affiliation>New York University</affiliation></editor>
+      <editor><first>Michal</first><last>Shmueli Scheuer</last><affiliation>IBM Research</affiliation></editor>
+      <editor><first>Gabriel</first><last>Stanovsky</last><affiliation>Hebrew University of Jerusalem</affiliation></editor>
+      <editor><first>Oyvind</first><last>Tafjord</last><affiliation>Allen Institute for Artificial Intelligence</affiliation></editor>
       <publisher>Association for Computational Linguistics</publisher>
       <address>Vienna, Austria and virtual meeting</address>
       <month>July</month>