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]

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 ⚠️
...stkit/src/testapp/ibc/clients/mock/client_state.rs	73.52%	9 Missing ⚠️
ibc-core/ics04-channel/types/src/channel.rs	14.28%	6 Missing ⚠️
...e/ics04-channel/types/src/msgs/timeout_on_close.rs	57.14%	3 Missing ⚠️
...ics04-channel/types/src/msgs/chan_close_confirm.rs	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            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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