chore: release 5.0.0

[release-please]

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

5.0.0 (2020-10-16)

⚠ BREAKING CHANGES

• improvements to gcs and bigquery defaults (feat!: improvements to gcs and bigquery defaults #64)
• replace bq expiration with expiration days for consistency with storage (feat!: replace bq expiration with expiration days for consistency with storage #65)
• add support for expiration days in storage module (feat!: add support for expiration days in storage module #63)

Features

• Add retention policy support (#68) (22b94a6)
• add support for expiration days in storage module (#63) (add774a)
• improvements to gcs and bigquery defaults (#64) (5a3b925)
• replace bq expiration with expiration days for consistency with storage (#65) (a643101)

Bug Fixes

• Bump provider version (#61) (50c2f8f), closes #60

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