chore(main): release instro 1.9.1

[nominal-bot]

🤖 I have created a release beep boop

1.9.1 (2026-08-10)

Bug Fixes

• awg: change check_errors() from required to optional in awg (#374) (753ecd5)
• awg: move check_errors() into driver level instead of outer abstraction (#381) (bc461b7)

---

This PR was generated with Release Please. See documentation.

[greptile-apps]

PR author is not in the allowed authors list.

[claude]

Claude finished @nominal-bot's task in 23s —— View job

---

Review: release-please version bump (1.9.0 → 1.9.1)

This is an auto-generated release PR — no source changes. Reviewed against AGENTS.md conventions.

• CHANGELOG.md, pyproject.toml, and .github/release-please-manifest.json are all bumped consistently to 1.9.1, matching the merged fix in fix(awg): change check_errors() from required to optional in awg #374.
• No driver code, HAL/API surface, or docs changes present, so none of the driver-convention/premature-abstraction/docs-sync checks apply here.

Nothing to flag. Safe to merge per standard release-please flow.

• Gather context (PR is an automated release-please version bump)
• Review changed files against repo conventions
• Post findings