deps: update dependency googleapis-common-protos to v1.56.4 (#844)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [googleapis-common-protos](https://github.com/googleapis/python-api-common-protos) | `==1.56.3` -> `==1.56.4` | [![age](https://badges.renovateapi.com/packages/pypi/googleapis-common-protos/1.56.4/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/googleapis-common-protos/1.56.4/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/googleapis-common-protos/1.56.4/compatibility-slim/1.56.3)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/googleapis-common-protos/1.56.4/confidence-slim/1.56.3)](https://docs.renovatebot.com/merge-confidence/) |

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