fix(api)!: relocate *_update_time and *_update_height and add missing stores for client upgrade

[Farhad-Shabani]

Closes: #913
Closes: #914

Integration tests: informalsystems/basecoin-rs#136

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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: 11 lines in your changes are missing coverage. Please review.

Comparison is base (fd472b8) 67.54% compared to head (feff3a0) 67.53%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #915      +/-   ##
==========================================
- Coverage   67.54%   67.53%   -0.01%     
==========================================
  Files         131      131              
  Lines       16105    16111       +6     
==========================================
+ Hits        10878    10881       +3     
- Misses       5227     5230       +3     

Files	Coverage Δ
crates/ibc/src/core/context.rs	50.00% <ø> (ø)
crates/ibc/src/core/ics02_client/client_state.rs	50.00% <ø> (ø)
crates/ibc/src/core/ics02_client/error.rs	24.32% <ø> (ø)
...ibc/src/core/ics02_client/handler/create_client.rs	83.58% <100.00%> (-0.93%)	⬇️
...ibc/src/core/ics02_client/handler/update_client.rs	95.23% <ø> (-0.22%)	⬇️
crates/ibc/src/core/ics03_connection/delay.rs	75.60% <100.00%> (+2.63%)	⬆️
crates/ibc/src/core/ics04_channel/context.rs	98.18% <100.00%> (ø)
crates/ibc/src/core/ics04_channel/error.rs	26.08% <ø> (ø)
.../src/core/ics04_channel/handler/acknowledgement.rs	89.20% <ø> (ø)
.../ibc/src/core/ics04_channel/handler/recv_packet.rs	88.78% <ø> (ø)
... and 6 more

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