Upgrade Google Java Format 1.15.0 -> 1.16.0

[Picnic-Bot]

This PR contains the following updates:

Package	Type	Update	Change
com.google.googlejavaformat:google-java-format	compile	minor	1.15.0 -> 1.16.0

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Release Notes

google/google-java-format

v1.16.0

Compare Source

Changes

• Format long exception lists one per line (google/google-java-format@198fa42)
• Normalize parameter comments (google/google-java-format@dda4321)

Bug fixes

• Return a non-zero exit code on error (#​848)
• Formatter leaks threads and memory (#​847)

Full Changelog: google/google-java-format@v1.15.0...v1.16.0

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• If you want to rebase/retry this PR, check this box

[Picnic-Bot]

Suggested commit message:

Upgrade Google Java Format 1.15.0 -> 1.16.0 (#511)

See:
- https://github.com/google/google-java-format/releases/tag/v1.16.0
- https://github.com/google/google-java-format/compare/v1.15.0...v1.16.0