build(deps): bump gitmodules/TuviCore in the submodules group

Bumps the submodules group with 1 update: [gitmodules/TuviCore](https://github.com/Eppie-io/TuviCore).


Updates `gitmodules/TuviCore` from `4ac9453` to `77cd7e5`
- [Commits](Eppie-io/TuviCore@4ac9453...77cd7e5)

---
updated-dependencies:
- dependency-name: gitmodules/TuviCore
  dependency-type: direct:production
  dependency-group: submodules
...

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