chore(main): release 2.20.0

[release-please[bot]]

:robot: I have created a release beep boop

2.20.0 (2024-03-05)

Features

• Add include_recaptcha_script for as a new action in firewall policies (#1109) (54041a5)

Documentation

• samples: Correct type and description of timeout parameter in subscriber quickstart (#1051) (141a473)

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[release-please[bot]]

:robot: Release is at https://github.com/googleapis/python-pubsub/releases/tag/v2.20.0 :sunflower:

[release-trigger[bot]]

Triggered job: cloud-devrel/client-libraries/python/googleapis/python-pubsub/release/release (2024-03-06T00:04:44.760Z)

To trigger again, remove the autorelease: triggered label (in a few minutes).