* chore: fix get RPO sample

There was an extra line here that doesn't make sense. Fixing based
on external user feedback.

* Update samples/snippets/storage_get_rpo.py

Co-authored-by: cojenco <cathyo@google.com>

* remove constant import

---------

Co-authored-by: cojenco <cathyo@google.com>

Co-authored-by: cojenco <cathyo@google.com>

* build(python): fix `docs` and `docfx` builds

Source-Link: googleapis/synthtool@fac8444
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:5ea6d0ab82c956b50962f91d94e206d3921537ae5fe1549ec5326381d8905cfa

* apply googleapis/synthtool#1916

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Cathy Ouyang <cathyo@google.com>

* fix: replace utcnow in Bucket

* replace utcnow in signing

* update constant and tests

* update datetime in post policy

* replace utcnow in system tests

* replace tzinfo

…p/templates/python_library/.kokoro (#1217)

Source-Link: googleapis/synthtool@e13b22b
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:97b671488ad548ef783a452a9e1276ac10f144d5ae56d98cc4bf77ba504082b4

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: cojenco <cathyo@google.com>

* samples: replace deprecated method

* update print statement, decode

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Source-Link: googleapis/synthtool@d895aec
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:98f3afd11308259de6e828e37376d18867fd321aba07826e29e4f8d9cab56bad

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: cojenco <cathyo@google.com>

* feat: add support for soft delete

* add restore, get object, list_objects, unit tests

* integration test

* update restore_blob

* SoftDeletePolicy data class

* update docstrings; address comments

* feat: support includeFoldersAsPrefixes

* sys test

* update sys test with cleanup

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>