Enable support for GPT-5.2 in various IDEs (#58911)

Author: its-mia

data/tables/copilot/model-supported-clients.yml

@@ -144,10 +144,10 @@
 - name: GPT-5.2
   dotcom: true
   vscode: true
-  vs: false
-  eclipse: false
-  xcode: false
-  jetbrains: false
+  vs: true
+  eclipse: true
+  xcode: true
+  jetbrains: true
 
 - name: Grok Code Fast 1
   dotcom: true