v1.9.1

What's Changed

• Add GitHub Actions workflow for npm Trusted Publisher publishing
• Add root community/security metadata files for package indexers
• Refresh README setup docs and npm package metadata
• Bump CLI, npm, and Windows installer versions to 1.9.1
• Run npm publish workflow on macOS to match the test suite

Verification

• bash scripts/run_tests.sh: 26 passed
• npm pack --dry-run: code-notify@1.9.1