chore: release 0.121.0

[yoshi-automation]

🤖 I have created a release *beep* *boop*

0.121.0

google/cloud-asset 0.5.0

Features

• add bigquery destination, update GCS destination, support Real Time Feed API (#2463) (e80f302)

google/cloud-bigquerydatatransfer 0.15.0

Features

• update client (#2507) (c5b25d4)

google/cloud-bigtable 1.1.1

Bug Fixes

• demonstrate row key in sample (#2501) (331799f)

google/cloud-datastore 1.10.1

Bug Fixes

• add http annotations for operations (#2488) (0065969)

google/cloud-dlp 0.24.0

Features

• add locationId to request messages (#2489) (1ed49dd)

google/cloud-speech 0.29.0

Features

• update timeouts (#2505) (4b9377f)

google/cloud-storage 1.16.1

Bug Fixes

• fix is_dir() and scandir() behavior in stream wrapper (#2496) (67f0029)

google/cloud-talent 0.8.2

Bug Fixes

• add back in HTTP bindings for operation calls (#2495) (cb280a7)

google/cloud-videointelligence 1.7.1

Bug Fixes

• update unit tests (#2487) (a9722bb)

google/cloud-vision 0.24.1

Bug Fixes

• make vision test more resilient (#2512) (f7bd9f7)

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