Add release action

[morgo]

A Pull Request should be associated with an Issue.

We wish to have discussions in Issues. A single issue may be targeted by multiple PRs.
If you're offering a new feature or fixing anything, we'd like to know beforehand in Issues,
and potentially we'll be able to point development in a particular direction.
Further notes in https://github.com/block/spirit/blob/main/.github/CONTRIBUTING.md

This adds an action to release binaries as part of a release.

[Copilot]

Pull request overview

Adds a GitHub Actions-based release pipeline to publish Spirit binaries when a version tag is pushed, using GoReleaser.

Changes:

• Introduces a GoReleaser configuration to build and archive spirit for Linux/Darwin (amd64/arm64 with a darwin/amd64 exclusion).
• Adds a Release GitHub Actions workflow triggered on v* tags to run GoReleaser and upload artifacts to the GitHub Release.
• Removes the OWNERS.yaml file.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
OWNERS.yaml	Deletes the file (previously contained a single owner entry).
.goreleaser.yaml	Defines build matrix, archives naming, checksums, and changelog filtering for releases.
.github/workflows/release.yml	Adds a tag-triggered workflow that runs GoReleaser with contents: write permission.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.