… to v1.116.4 (#520)

When you delete a policy tag from a column in BigQuery, rather than
eliding the policyTag message entirely, it will return an empty
message (with no name field).  This change treats such responses
as equivalent to no PolicyTag message being present.

🤖 I have created a release \*beep\* \*boop\* 
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### Updating meta-information for bleeding-edge SNAPSHOT release.
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This PR was generated with [Release Please](https://github.com/googleapis/release-please).

…cies to v0.8.3 (#523)

Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:
- [X] Make sure to open an issue as a [bug/issue](https://github.com/googleapis/java-bigquery/issues/new/choose) before writing your code!  That way we can discuss the change, evaluate designs, and agree on the general idea
- [X] Ensure the tests and linter pass
- [X] Code coverage does not decrease (if any source code was changed)
- [X] Appropriate docs were updated (if necessary)

🤖 I have created a release \*beep\* \*boop\* 
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### [1.116.6](https://www.github.com/googleapis/java-bigquery/compare/v1.116.5...v1.116.6) (2020-07-10)


### Bug Fixes

* handle malformed backend responses. ([#522](https://www.github.com/googleapis/java-bigquery/issues/522)) ([64de23a](https://www.github.com/googleapis/java-bigquery/commit/64de23a95736ffaaae7a05e0fd2c6f5f8c5c3665))


### Documentation

* **samples:** add label dataset ([#526](https://www.github.com/googleapis/java-bigquery/issues/526)) ([d775818](https://www.github.com/googleapis/java-bigquery/commit/d775818bda5c3a9c310ce7747f575200ce72fd9d))
* **samples:** add label table ([#527](https://www.github.com/googleapis/java-bigquery/issues/527)) ([d7cf47d](https://www.github.com/googleapis/java-bigquery/commit/d7cf47d1a1f6eda47637e49983086d79ed1cd7ac))


### Dependencies

* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.8.3 ([#523](https://www.github.com/googleapis/java-bigquery/issues/523)) ([82341cb](https://www.github.com/googleapis/java-bigquery/commit/82341cbb12ad6f5e020b5ba15701f66f0cbbfa19))
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