Add --display-name override argument

[martincostello]

Add new --display-name override that allows the DisplayName to be manually specified when it includes a version string.

For example this manifest contains the version number but the update command does not currently update the value.

With these changes it's possible to override like thus:

wingetcreate update ${env:PACKAGE_ID} `
  --urls "${env:GITHUB_SERVER_URL}/${env:GITHUB_REPOSITORY}/releases/download/${env:PACKAGE_VERSION}/alloy-installer-windows-amd64.exe" `
  --version ${env:PACKAGE_VERSION}.TrimStart("v") `
  --display-version "Alloy ${env:PACKAGE_VERSION}" `
  --submit

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[Copilot]

Pull request overview

This pull request adds a new --display-name command-line argument to the update command, allowing users to manually specify the DisplayName field when it includes version strings that need to be updated. This complements the existing --display-version functionality and addresses scenarios where package manifests contain version-specific display names.

Key Changes

• Added new --display-name CLI option to override DisplayName values during manifest updates
• Implemented logic to update DisplayName in AppsAndFeaturesEntries, following the same pattern as DisplayVersion
• Added comprehensive test coverage with new test case and test manifest resource

Reviewed changes

Copilot reviewed 8 out of 9 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
src/WingetCreateCore/Models/InstallerMetadata.cs	Adds DisplayName property to store CLI argument value
src/WingetCreateCore/Common/PackageParser.cs	Implements logic to update DisplayName in installers' AppsAndFeaturesEntries
src/WingetCreateCLI/Commands/UpdateCommand.cs	Defines --display-name CLI option and propagates value to installer metadata
src/WingetCreateCLI/Properties/Resources.resx	Adds help text resource for the new option
src/WingetCreateCLI/Properties/Resources.Designer.cs	Generated code for new resource string
doc/update.md	Documents the new --display-name argument
src/WingetCreateTests/WingetCreateTests/UnitTests/UpdateCommandTests.cs	Adds UpdateDisplayName test to verify the functionality
src/WingetCreateTests/WingetCreateTests/Resources/TestPublisher.UpdateDisplayName.yaml	Test manifest with DisplayName field for testing
src/WingetCreateTests/WingetCreateTests/WingetCreateTests.csproj	Registers new test resource file for build output

Files not reviewed (1)

• src/WingetCreateCLI/Properties/Resources.Designer.cs: Language not supported

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