deps!: bump ibc-go to 4.3.0

[mpoke]

Closes #2280

The ICS version also needs to be bump to a version that also uses ibc-go v4.3.0

Note that the bump to ibc-go v4.3.0 is state-machine breaking.

Thanks @faddat for the initial PR, i.e., #2185.

[codecov]

Codecov Report

Merging #2310 (285ecec) into main (369445d) will decrease coverage by 0.70%.
The diff coverage is n/a.

❗ Current head 285ecec differs from pull request most recent head 3777dde. Consider uploading reports for the commit 3777dde to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2310      +/-   ##
==========================================
- Coverage   84.10%   83.40%   -0.70%     
==========================================
  Files          22       22              
  Lines        1529     1555      +26     
==========================================
+ Hits         1286     1297      +11     
- Misses        195      207      +12     
- Partials       48       51       +3     

see 7 files with indirect coverage changes