chore(deps): update deps/json digest to ca49ab6 (#1726)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [deps/json](https://github.com/nlohmann/json) ([changelog](https://github.com/nlohmann/json/compare/730b57775d4c8a28e8e3353d741a37126fda1f12..ca49ab612304e54a6ecd4291a20a919e7cb8d165)) | digest | `730b577` → `ca49ab6` |

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Reviewed-on: https://codeberg.org/umati/Sample-Server/pulls/1726

Author: umati-bot