deps: upgrade `ibc-proto-rs` to `0.42.2`

[rnbguy]

Closes: #XXX

Description

---

PR author checklist:

• [ ] Added changelog entry, using unclog.
• [ ] Added tests.
• [ ] Linked to GitHub issue.
• [ ] Updated code comments and documentation (e.g., docs/).
• [ ] Tagged one reviewer who will be the one responsible for shepherding this PR.

Reviewer checklist:

• [ ] Reviewed Files changed in the GitHub PR explorer.
• [ ] Manually tested (in case integration/unit/mock tests are absent).

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 46.25000% with 43 lines in your changes are missing coverage. Please review.

Project coverage is 66.46%. Comparing base (5e7ff8e) to head (f6474c6).

Files	Patch %	Lines
ibc-query/src/core/channel/service.rs	0.00%	24 Missing :warning:
...stkit/src/testapp/ibc/clients/mock/client_state.rs	73.52%	9 Missing :warning:
ibc-core/ics04-channel/types/src/channel.rs	14.28%	6 Missing :warning:
...e/ics04-channel/types/src/msgs/timeout_on_close.rs	57.14%	3 Missing :warning:
...ics04-channel/types/src/msgs/chan_close_confirm.rs	80.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1125 +/- ## ========================================== - Coverage 66.57% 66.46% -0.11% ========================================== Files 209 209 Lines 20636 20706 +70 ========================================== + Hits 13738 13762 +24 - Misses 6898 6944 +46 ```

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