Merged PR 2055551: Adding release notes for 180.6.0

Adding release notes for 180.6.0

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#### AI description  (iteration 1)
#### PR Classification
Documentation update to add release notes for version 180.6.0 of Microsoft.SqlServer.TransactSql.ScriptDom.

#### PR Summary
This PR adds release notes documenting version 180.6.0, which includes a new 180 parser and maintains support for .NET Framework 4.7.2, .NET 8, and .NET Standard 2.0+ across multiple platforms.

- `/release-notes/180/180.6.0.md`: New release notes file documenting target platform support (.NET Framework 4.7.2, .NET 8, .NET Standard 2.0+) and mentioning a new 180 parser feature
<!-- GitOpsUserAgent=GitOps.Apps.Server.pullrequestcopilot -->

Author: llali

release-notes/180/180.6.0.md

@@ -0,0 +1,26 @@
+# Release Notes
+
+## Microsoft.SqlServer.TransactSql.ScriptDom 180.6.0
+This update brings the following changes over the previous release:
+
+### Target Platform Support
+
+* .NET Framework 4.7.2 (Windows x86, Windows x64)
+* .NET 8 (Windows x86, Windows x64, Linux, macOS)
+* .NET Standard 2.0+ (Windows x86, Windows x64, Linux, macOS)
+
+### Dependencies
+
+#### .NET Framework
+#### .NET Core
+
+### New Features
+* Adds a new 180 parser.
+
+### Fixed
+
+### Changes
+* None
+
+### Known Issues
+* None