CLDR-18210 Update CLDR Infra group name (#4268)

Author: AEApple

docs/site/cldr-tc/infrastructure-wg.md

@@ -1,7 +1,9 @@
 ---
-title: CLDR Infrastructure Working Group
+title: CLDR Ops Working Group
 ---
 
-# CLDR Infrastructure Working Group
+# CLDR Ops Working Group
 
-The CLDR Infrastructure WG is responsible for maintaining and extending the code and tools that support the Survey Tool and processing/production of the CLDR data (including test Data).
+The CLDR Ops WG is responsible for maintaining and extending the code and tools that support the Survey Tool and processing/production of the CLDR data (including test Data).
+
+It was formerly known as the CLDR Infrastructure Working Group.