Bump autovalue.version from 1.7.2 to 1.7.3
Bump autovalue.version from 1.7.2 to 1.7.3

Bumps `autovalue.version` from 1.7.2 to 1.7.3.

Updates `auto-value` from 1.7.2 to 1.7.3
- [Release notes](https://github.com/google/auto/releases)
- [Commits](https://github.com/google/auto/compare/auto-value-1.7.2...auto-value-1.7.3)

Updates `auto-value-annotations` from 1.7.2 to 1.7.3
- [Release notes](https://github.com/google/auto/releases)
- [Commits](https://github.com/google/auto/compare/auto-value-1.7.2...auto-value-1.7.3)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
square/keywhiz,square/keywhiz,square/keywhiz