chore(main): release 2.19.5

[release-please[bot]]

:robot: I have created a release beep boop

2.19.5 (2024-02-22)

Bug Fixes

• Update system_test_python_versions (#1096) (c659ac7)

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[release-please[bot]]

:robot: Release is at https://github.com/googleapis/python-pubsub/releases/tag/v2.19.5 :sunflower:

[release-trigger[bot]]

Triggered job: cloud-devrel/client-libraries/python/googleapis/python-pubsub/release/release (2024-02-23T00:11:50.731Z)

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