chore(deps): update gcp/api/googleapis digest to 56bc1b4 (#4785)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[gcp/api/googleapis](https://redirect.github.com/googleapis/googleapis)
([changelog](https://redirect.github.com/googleapis/googleapis/compare/aa950c94fca3ea74ab574d0538b9ff1d57187f91..56bc1b49df17f062f4528a398115768711f1894f))
| digest | `aa950c9` → `56bc1b4` |

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