…ages pipeline (#26002)

Co-authored-by: Travis Plunk <travis.plunk@microsoft.com>

Co-authored-by: Justin Chung <124807742+jshigetomi@users.noreply.github.com>

…line (#26013)

Co-authored-by: Travis Plunk <travis.plunk@microsoft.com>

…MC Release (#26032)

Co-authored-by: Anam Navied <anam.naviyou@gmail.com>

https://github.com/PowerShell/PowerShell/blob/master/CHANGELOG/7.5.md#753

…ests and build scripts (#26059)

Co-authored-by: Patrick Meinecke <SeeminglyScience@users.noreply.github.com>

…ken validation (#26079)

#26169)

…mmandProcessor methods (#26171)

…block PRs (#26196)

* Fix checks for local user config file paths

- Use the `DoNotVerify` option with `Environment.GetFolderPath`,
  ensuring the configured location will be returned regardless of if it
  has been created already
- If we get an empty string, null or whitespace from `GetFolderPath`,
  consider that as disabled and skip loading or processing further for
  that location.

* Add logic for if `SHGetKnownFolderPath` gives null

---------

Co-authored-by: Patrick Meinecke <seeminglyscience@gmail.com>

#### AI description  (iteration 1)
#### PR Classification
Backport release pipeline configuration updates to improve channel-specific publishing and build environment initialization.

#### PR Summary
This pull request backports multiple pipeline enhancements to streamline the release process. Key changes include:
- **`/.pipelines/templates/release-MSIX-Publish.yml`**: Updated publishing tasks to conditionally handle LTS, Stable, and Preview channels with refined conditions and logging.
- **`/.pipelines/templates/package-create-msix.yml`**: Improved XML namespace handling for updating the AppStoreName, revised task inputs, and added a failure log upload task.
- **`/.pipelines/templates/release-githubNuget.yml`**: Modified tag pattern matching and regex logic for constructing the git push tag command.
- **`/.pipelines/PowerShell-Release-Official.yml` & release validation templates**: Adjusted stage dependencies, enhanced environment initialization using the build module, and updated the Linux SDK validation image.
- **`/.pipelines/store/SBConfig.json` & `/.pipelines/templates/channelSelection.yml`**: Revised configuration inclusions and updated metadata file paths for better consistency.
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Update network isolation policy

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#### AI description  (iteration 1)
#### PR Classification
This pull request is a configuration update that revises network isolation settings.

#### PR Summary
The changes update several PowerShell pipeline YAML files to replace the network feature flag value KS3 with KS4, ensuring consistency across both Linux and Windows configurations.
- `/.pipelines/PowerShell-Coordinated_Packages-Official.yml`: Updated Linux and Windows host version network flags from KS3 to KS4.
- `/.pipelines/PowerShell-Packages-Official.yml`: Changed network values for both Linux and Windows host versions from KS3 to KS4.
- `/.pipelines/PowerShell-Release-Official.yml`: Replaced the Windows network flag from KS3 to KS4 and refined dependency formatting.
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[release/v7.5] Update vPack name (#26221)

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#### AI description  (iteration 1)
#### PR Classification
This pull request is a configuration update for the release pipeline.

#### PR Summary
The changes update the pipeline parameter for the vPack name to align with new naming conventions.
- In `/.pipelines/PowerShell-vPack-Official.yml`, the default value for `vPackName` is changed from `'PowerShell'` to `'PowerShell.BuildTool'` and the new value is added to the list of valid options.
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Add changelog 7.5.4