(MAINT) Rename build scripts

[michaeltlombardi]

PR Summary

This change:

• Renames build.ps1 to packaging.ps1 to reflect its continued use in packaging releases.
• Renames build.new.ps1 to build.ps1 as the default build script.
• Removes the build.comparison.ps1 script as it's no longer needed.
• Updates all references to build.new.ps1 in project configuration, CI automation, and maintainer documentation.

PR Context

This change renames the build scripts. Previously, we had both build.ps1 and build.new.ps1. It's been a few months since we transitioned to the new build script, which has been functional for our CI and local development.

For now, we're keeping the legacy script as packaging.ps1 until we confirm that the new build script is equally functional for packaging a release.

[Copilot]

Pull request overview

This PR renames the build scripts to reflect their intended use after months of transition to the new build system. The key changes consolidate build.new.ps1 as the default build.ps1 script, preserve the legacy script as packaging.ps1 for packaging releases, and remove the obsolete comparison script.

Key Changes

• Renamed build.ps1 to packaging.ps1 to reflect its continued use for creating release packages (including rpm and deb formats)
• Renamed build.new.ps1 to build.ps1 as the default build script for local development and CI
• Removed build.comparison.ps1 as it's no longer needed
• Updated all references across documentation, CI pipelines, VS Code tasks, and configuration files

Reviewed changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
packaging.ps1	New file containing legacy build script, retains all package types including rpm/deb for releases
build.ps1	Updated to be the default build script (formerly build.new.ps1), supports common package types for development
build.new.ps1	Deleted - consolidated into build.ps1
build.comparison.ps1	Deleted - no longer needed
CONTRIBUTING.md	Updated build script references from build.new.ps1 to build.ps1
.github/instructions/instructions.md	Updated all build script references and added note about legacy packaging.ps1
.vscode/tasks.json	Updated task commands to use build.ps1
.vscode/schemas/definitions.json	Updated schema description to reference build.ps1
.pipelines/DSC-Windows.yml	Updated to use packaging.ps1 for building and creating release packages
.pipelines/DSC-Official.yml	Updated to use packaging.ps1 for package version retrieval and package creation
.github/workflows/rust.yml	Updated all workflow steps to use build.ps1

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[Copilot]

Pull request overview

Copilot reviewed 11 out of 11 changed files in this pull request and generated 2 comments.

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[Copilot]

Pull request overview

Copilot reviewed 11 out of 11 changed files in this pull request and generated 2 comments.

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