Update changelog for the v7.5.6 release (#27320)

CHANGELOG/7.5.md

@@ -1,5 +1,54 @@
 # 7.5 Changelog
 
+## [7.5.6]
+
+### General Cmdlet Updates and Fixes
+
+- Delay update notification for one week to ensure all packages become available (#27220)
+
+### Tests
+
+- Fix the `PSNativeCommandArgumentPassing` test (#27166)
+
+### Build and Packaging Improvements
+
+<details>
+
+<summary>
+
+<p>Update to .NET SDK 9.0.313</p>
+
+</summary>
+
+<ul>
+<li>Update branch for the v7.5.6 release (#27268)</li>
+<li>Fix package pipeline by adding in <code>PDP-Media</code> directory (#27256)</li>
+<li>Pin <code>ready-to-merge.yml</code> reusable workflow to commit SHA (#27246)</li>
+<li>[StepSecurity] ci: Harden GitHub Actions tags (#27239)</li>
+<li>Build, package, and create VPack for the PowerShell-LTS store package within the same <code>msixbundle-vpack</code> pipeline (#27240)</li>
+<li>Add comment-based help documentation to <code>build.psm1</code> functions (#27221)</li>
+<li>Separate store package creation, skip polling for store publish, clean up <code>PDP-Media</code> (#27225)</li>
+<li>[StepSecurity] ci: Harden GitHub Actions tokens (#27224)</li>
+<li>Change the display name of "PowerShell-LTS" package to "PowerShell LTS" (#27223)</li>
+<li>Redo windows image fix to use latest image (#27222)</li>
+<li>Bump <code>github/codeql-action</code> from 4.32.4 to 4.35.1 (#27159) (#27170) (#27174)</li>
+<li>Select new MSIX package name (#27172)</li>
+<li>Update the <code>PhoneProductId</code> to be the official LTS id used by Store (#27168)</li>
+<li>release-upload-buildinfo: replace version-comparison channel gating with metadata flags (#27167)</li>
+<li>Create infrastructure to create two msixs and msixbundles for LTS and Stable (#27165)</li>
+<li>Move <code>_GetDependencies</code> MSBuild target from dynamic generation in <code>build.psm1</code> into <code>Microsoft.PowerShell.SDK.csproj</code> (#27164)</li>
+<li>Create Linux LTS deb/rpm packages for LTS releases (#27163)</li>
+<li>Fix the container image for vPack, MSIX vPack and Package pipelines (#27161)</li>
+<li>Create LTS pkg and non-LTS pkg for macOS for LTS releases (#27162)</li>
+<li>Bump actions/dependency-review-action from 4.8.3 to 4.9.0 (#27158)</li>
+<li>Bump actions/upload-artifact from 6 to 7 (#27157)</li>
+<li>Separate "Official" and "NonOfficial" templates for ADO pipelines (#27155)</li>
+</ul>
+
+</details>
+
+[7.5.6]: https://github.com/PowerShell/PowerShell/compare/v7.5.5...v7.5.6
+
 ## [7.5.5]
 
 ### Engine Updates and Fixes