Update changelog for v7.4.6 release (PowerShell#24496)

Author: SeeminglyScience

CHANGELOG/7.4.md

@@ -1,5 +1,48 @@
 # 7.4 Changelog
 
+## [7.4.6] - 2024-10-22
+
+### Build and Packaging Improvements
+
+<details>
+
+<summary>
+
+<p>Bump .NET SDK to 8.0.403</p>
+
+</summary>
+
+<ul>
+<li>Copy to static site instead of making blob public (#24269) (#24473)</li>
+<li>Add ability to capture MSBuild Binary logs when restore fails (#24128)</li>
+<li>Keep the roff file when gzipping it. (#24450)</li>
+<li>Update <code>PowerShell-Coordinated_Packages-Official.yml</code> (#24449)</li>
+<li>Update and add new NuGet package sources for different environments. (#24440)</li>
+<li>Add PMC mapping for Debian 12 (bookworm) (#24413)</li>
+<li>Fixes to Azure Public feed usage (#24429)</li>
+<li>Delete <code>assets/AppImageThirdPartyNotices.txt</code> (#24256)</li>
+<li>Delete <code>demos</code> directory (#24258)</li>
+<li>Add specific path for issues in tsaconfig (#24244)</li>
+<li>Checkin generated manpage (#24423)</li>
+<li>Add updated libicu dependency for Debian packages (#24301)</li>
+<li>Add mapping to azurelinux repo (#24290)</li>
+<li>Update vpack pipeline (#24281)</li>
+<li>Add <code>BaseUrl</code> to <code>buildinfo</code> json file (#24376)</li>
+<li>Delete the msix blob if it's already there (#24353)</li>
+<li>Make some release tests run in a hosted pools (#24270)</li>
+<li>Create new pipeline for compliance (#24252)</li>
+<li>Use Managed Identity for <code>APIScan</code> authentication (#24243)</li>
+<li>Check <code>Create and Submit</code> in vPack build by default (#24181)</li>
+<li>Capture environment better (#24148)</li>
+<li>Refactor Nuget package source creation to use <code>New-NugetPackageSource</code> function (#24104)</li>
+<li>Make Microsoft feeds the default (#24426)</li>
+<li>Bump to .NET 8.0.403 and update dependencies (#24405)</li>
+</ul>
+
+</details>
+
+[7.4.6]: https://github.com/PowerShell/PowerShell/compare/v7.4.5...v7.4.6
+
 ## [7.4.5] - 2024-08-20
 
 ### General Cmdlet Updates and Fixes