feat(ci): update release workflow based on kon project

[Doarakko]

Summary

• Replace goreleaser with matrix build release workflow (based on kon)
• Add build and lint workflow for pull requests using golangci-lint

Changes

• .github/workflows/release.yml: Matrix build for darwin-amd64, darwin-arm64, linux-amd64 with gh release
• .github/workflows/build-and-lint.yml: Build and lint checks on PRs using golangci-lint-action@v6
• scripts/update-homebrew.sh: Script to update Homebrew formula after release
• Remove .goreleaser.yaml (no longer needed)

Release Process

# 1. Create and push tag
git tag v0.1.0
git push origin v0.1.0

# 2. GitHub Actions creates release automatically

# 3. Update Homebrew formula
./scripts/update-homebrew.sh 0.1.0

🤖 Generated with Claude Code

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📥 Commits

Reviewing files that changed from the base of the PR and between 45248dc and 1a0e81e.

📒 Files selected for processing (5)

• .github/workflows/build-and-lint.yml
• .github/workflows/release.yml
• .gitignore
• .goreleaser.yaml
• scripts/update-homebrew.sh

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