Update azure-devdiv-pipeline.pre-release.yml for Azure Pipelines

[bschnurr]

@karthiknadig Looking to test pre-release market publish.

• added a stable pipeline so that I can hook it with permissions

This PR refactors and enhances the Azure Pipelines configuration for the vscode-autopep8 extension, focusing on pre-release and release workflows:

• Updates the pre-release pipeline (azure-devdiv-pipeline.pre-release.yml) for improved scheduling, signing, and publishing of VSIX artifacts.
• Adds a new stable release pipeline (azure-devdiv-pipeline.stable.yml) optimized for tagged releases.
• Introduces reusable pipeline templates (build/templates/sign.yml, build/templates/publish.yml) to automate extension signing, signature validation, and marketplace publishing.
• Adds an MSBuild signing project (build/sign.proj) and NuGet packages config to support MicroBuild code signing.
• Switches pipeline build agents and environments to ensure cross-platform compatibility and secure artifact signing.
• Updates NPM dependencies (such as @vscode/vsce), Node.js and Python versions for modern toolchain support.
• Improves build and packaging scripts, including manifest generation and post-sign verification steps.
• Refactors and cleans up schedules, variables, and job steps to streamline the CI/CD process and enable secure artifact handling for both pre-release and stable releases.

[bschnurr]

Looking to test a pre-release

[Copilot]

Pull Request Overview

This PR upgrades the @vscode/vsce package from version 2.24.0 to 3.6.2 and adds comprehensive signing and publishing infrastructure for the VS Code extension. The changes include new Azure DevOps pipeline templates for signing and publishing, updated build pipelines, and the introduction of NuGet packages for Microsoft signing tools.

Key Changes:

• Upgraded @vscode/vsce to v3.6.2, bringing in new dependencies including @secretlint packages for secret detection
• Added signing infrastructure via MSBuild project and NuGet packages
• Created reusable pipeline templates for signing and publishing extension artifacts
• Updated format-check script to remove quotes around glob patterns

Reviewed Changes

Copilot reviewed 8 out of 9 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
package.json	Upgraded @vscode/vsce dependency, added fix-format script, removed quotes from format-check globs
package-lock.json	Updated lockfile with new dependencies from vsce upgrade and secretlint packages
packages.config	Added NuGet configuration for MicroBuild signing tools
build/sign.proj	New MSBuild project defining signing targets and file paths
build/templates/sign.yml	New template for signing VSIX artifacts with validation steps
build/templates/publish.yml	New template for publishing extensions to marketplace
build/azure-devdiv-pipeline.stable.yml	New stable release pipeline using MicroBuild templates
build/azure-devdiv-pipeline.pre-release.yml	Updated pre-release pipeline with signing and publishing
build/azure-pipeline.pre-release.yml	Commented out nightly schedule

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