Update rel date and remove json dependency for .net9

Author: apoorvdeshmukh

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
-## [Stable release 6.0.4] - 2025-11-14
+## [Stable release 6.0.4] - 2025-11-15
 
 This update brings the below changes over the previous stable release:
 

release-notes/6.0/6.0.4.md

@@ -1,6 +1,6 @@
 # Release Notes
 
-## [Stable release 6.0.4] - 2025-11-14
+## [Stable release 6.0.4] - 2025-11-15
 
 This update brings the below changes over the previous stable release:
 
@@ -72,4 +72,3 @@ AppContext.SetSwitch("Switch.Microsoft.Data.SqlClient.IgnoreServerProvidedFailov
 - Microsoft.SqlServer.Server 1.0.0
 - System.Configuration.ConfigurationManager 9.0.4
 - System.Security.Cryptography.Pkcs 9.0.4
-- System.Text.Json 9.0.5

release-notes/6.0/README.md

@@ -4,7 +4,7 @@ The following Microsoft.Data.SqlClient 6.0 stable releases have been shipped:
 
 | Release Date | Version | Notes |
 | :-- | :-- | :--: |
-| 2025-11-14 | 6.0.4 | [release notes](6.0.4.md) |
+| 2025-11-15 | 6.0.4 | [release notes](6.0.4.md) |
 | 2025-10-07 | 6.0.3 | [release notes](6.0.3.md) |
 | 2025-04-25 | 6.0.2 | [release notes](6.0.2.md) |
 | 2025-01-23 | 6.0.1 | [release notes](6.0.1.md) |