Summary

Add Windows platform support to .goreleaser.yml to enable distribution via Chocolatey and Winget.

Changes

• Add windows to the goos list in builds section
• Add format_overrides to use zip format for Windows archives
• Verify checksums.txt includes Windows artifacts

Files to modify

• .goreleaser.yml

Acceptance criteria

• make snapshot produces Windows binaries
• Release includes newrelic-cli_*_windows_amd64.zip and newrelic-cli_*_windows_arm64.zip
• checksums.txt includes Windows archive hashes

Context

This is a prerequisite for Chocolatey and Winget distribution (Issues #2-5).