Release v0.34.9

What's Changed

• fix(listener): don't reset reconnect backoff until startup completes by @cpacker in #5005
• test(ci): make lock installation retry independent of disk latency by @cpacker in #5009
• fix(listener): stop silently dropping web image messages over 1 MiB [LET-12344] by @cpacker in #5008
• feat(browser-device): connect MCP OAuth from Chat [LET-13789] by @4shub in #4973
• chore: bump version to 0.34.9 by @github-actions[bot] in #5006

Full Changelog: v0.34.8...v0.34.9