chore(main): release 3.4.0

[release-please[bot]]

:robot: I have created a release beep boop

3.4.0 (2024-04-29)

Features

• AbortController to signal request timeouts (#600) (7a538e0)
• add execution id support (#592) (1c48074)

Bug Fixes

• etag should not be set on any response (#571) (89a3abb)
• framework fails to shutdown gracefully when exit code is a string (#545) (5355069)

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[release-please[bot]]

:robot: Release is at https://github.com/GoogleCloudPlatform/functions-framework-nodejs/releases/tag/v3.4.0 :sunflower: