chore: renaming ica migrations handler pkg version

[damiannolan]

Description

• Renaming pkg version for interchain-accounts migration handler

closes: #XXXX

---

Before we can merge this PR, please make sure that all the following items have been
checked off. If any of the checklist items are not applicable, please leave them but
write a little note why.

• Targeted PR against correct branch (see CONTRIBUTING.md)
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the module structure standards.
• Wrote unit and integration tests
• Updated relevant documentation (docs/) or specification (x/<module>/spec/)
• Added relevant godoc comments.
• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• Re-reviewed Files changed in the Github PR explorer
• Review Codecov Report in the comment section below once CI passes

[codecov-commenter]

Codecov Report

Merging #2355 (7cb1866) into main (b97729d) will increase coverage by 0.02%.
The diff coverage is 78.26%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2355      +/-   ##
==========================================
+ Coverage   79.54%   79.56%   +0.02%     
==========================================
  Files         175      175              
  Lines       12069    12134      +65     
==========================================
+ Hits         9600     9655      +55     
- Misses       2045     2050       +5     
- Partials      424      429       +5     

Impacted Files	Coverage Δ
...27-interchain-accounts/controller/keeper/events.go	0.00% <ø> (ø)
...nterchain-accounts/controller/keeper/grpc_query.go	100.00% <ø> (ø)
...27-interchain-accounts/controller/keeper/params.go	100.00% <ø> (ø)
...in-accounts/controller/migrations/v6/migrations.go	89.65% <ø> (ø)
...ps/27-interchain-accounts/controller/types/msgs.go	92.30% <ø> (ø)
...ps/27-interchain-accounts/genesis/types/genesis.go	0.00% <ø> (ø)
...les/apps/27-interchain-accounts/host/ibc_module.go	95.00% <ø> (ø)
.../apps/27-interchain-accounts/host/keeper/events.go	0.00% <ø> (ø)
...apps/27-interchain-accounts/host/keeper/genesis.go	89.47% <ø> (ø)
...s/27-interchain-accounts/host/keeper/grpc_query.go	100.00% <ø> (ø)
... and 114 more