chore(deps): update dependency google-cloud-bigquery-storage to v2.9.0

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google-cloud-bigquery-storage	==2.8.0 -> ==2.9.0

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Release Notes

googleapis/python-bigquery-storage

v2.9.0

Compare Source

Features

• add AppendRowsStream to use write API from v1 endpoint (#​309) (9fc3c08)
• add BigQuery Storage Write API v1 (#​301) (69e3fb8)

Bug Fixes

• add 'dict' annotation type to 'request' (a778080)
• add missing read api retry setting on SplitReadStream (#​311) (66c09c0)
• avoid failure if closing AppendRowsStream before opening (#​304) (9f145f8)
• avoid opening write stream more than once, make open method private (#​305) (58ec844)

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