chore(deps): update all dependencies

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change	Age	Adoption	Passing	Confidence
actions/checkout	action	major	v3 -> v4
google-cloud-bigquery		minor	==3.11.4 -> ==3.12.0

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Release Notes

actions/checkout (actions/checkout)

v4

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• Support fetching without the --progress option
• Update to node20

googleapis/python-bigquery (google-cloud-bigquery)

v3.12.0

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Features

• Add Dataset.storage_billing_model setter, use client.update_dataset(ds, fields=["storage_billing_model"]) to update (#​1643) (5deba50)
• Search statistics (#​1616) (b930e46)
• Widen retry predicate to include ServiceUnavailable (#​1641) (3e021a4)

Bug Fixes

• Allow storage_billing_model to be explicitly set to None to use project default value (#​1665) (514d3e1)
• Relax timeout expectations (#​1645) (1760e94)
• Use isinstance() per E721, unpin flake8 (#​1659) (54a7769)

Documentation

• Revise update_table_expiration sample (#​1457) (03194e0)

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