chore: introduce changesets

[mcmunder]

No description provided.

[Copilot]

Pull request overview

This PR migrates the project’s release/versioning automation from semantic-release to Changesets, updating local scripts and the GitHub release workflow to support Changesets-driven version PRs and publishing.

Changes:

• Add Changesets CLI and wire up version/release scripts for versioning and publishing.
• Replace the semantic-release GitHub Actions workflow step with changesets/action@v1.
• Remove semantic-release configuration and dependencies; add Changesets configuration under .changeset/.

Reviewed changes

Copilot reviewed 6 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
package.json	Adds Changesets-based version and release scripts; swaps semantic-release deps for @changesets/cli.
bun.lock	Updates lockfile to reflect dependency switch from semantic-release to Changesets.
.releaserc.json	Removes semantic-release configuration file.
.github/workflows/release.yml	Updates release automation to use changesets/action@v1 and adds workflow-level concurrency.
.changeset/README.md	Adds brief developer instructions for creating changesets.
.changeset/config.json	Introduces Changesets configuration for the repository.

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[Copilot]

Pull request overview

This PR migrates the project’s release/versioning flow from semantic-release to Changesets, updating scripts, dependencies, and the GitHub Actions release workflow to support Changesets-based version PRs and publishing.

Changes:

• Add Changesets CLI + configuration and an initial changeset entry.
• Replace semantic-release scripts/dependencies with Changesets-based version/release scripts.
• Update the release GitHub Actions workflow to use changesets/action.

Reviewed changes

Copilot reviewed 6 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
package.json	Adds Changesets scripts and swaps out semantic-release devDependencies for @changesets/cli.
bun.lock	Updates lockfile for the dependency switch to Changesets.
.releaserc.json	Removes the semantic-release configuration file.
.github/workflows/release.yml	Replaces semantic-release workflow step with changesets/action.
.changeset/config.json	Adds Changesets config (base branch, access, changelog config, etc.).
.changeset/README.md	Documents how to add a changeset.
.changeset/five-falcons-fold.md	Adds an initial patch changeset describing the initial publish.

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