Remove date-only changes from .NET 8 and 9 supported-os files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: richlander

release-notes/8.0/supported-os.json

@@ -1,6 +1,6 @@
 {
   "channel-version": "8.0",
-  "last-updated": "2025-12-07",
+  "last-updated": "2025-10-28",
   "families": [
     {
       "name": "Android",

release-notes/8.0/supported-os.md

@@ -1,6 +1,6 @@
 # .NET 8.0 - Supported OS versions
 
-Last Updated: 2025/12/07; Support phase: Active
+Last Updated: 2025/10/28; Support phase: Active
 
 [.NET 8.0](README.md) is an [LTS](../../release-policies.md) release and [is supported](../../support.md) on multiple operating systems per their lifecycle policy.
 

release-notes/9.0/supported-os.json

@@ -1,6 +1,6 @@
 {
   "channel-version": "9.0",
-  "last-updated": "2025-12-07",
+  "last-updated": "2025-11-19",
   "families": [
     {
       "name": "Android",

release-notes/9.0/supported-os.md

@@ -1,6 +1,6 @@
 # .NET 9.0 - Supported OS versions
 
-Last Updated: 2025/12/07; Support phase: Active
+Last Updated: 2025/11/19; Support phase: Active
 
 [.NET 9.0](README.md) is an [STS](../../release-policies.md) release and [is supported](../../support.md) on multiple operating systems per their lifecycle policy.