chore: release 1.5.0

[release-please]

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

1.5.0 (2021-05-31)

Features

• add gcf-owl-bot[bot] to ignoreAuthors (#709) (5f5e3f3)

Dependencies

• update dependency com.google.cloud:google-cloud-bigquery to v1.131.1 (#705) (e91d827)
• update dependency com.google.cloud:google-cloud-shared-dependencies to v1.2.0 (#708) (b4a2c70)

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[release-please]

🤖 Release is at https://github.com/googleapis/java-automl/releases/tag/v1.5.0 🌻

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