chore: rename namespace to v3

[zemyblue]

Description

• Rename namespace to v3
• change the upgradename to v3-Rose

Motivation and context

How has this been tested?

Screenshots (if appropriate):

Checklist:

• I followed the contributing guidelines and code of conduct.
• I have added a relevant changelog to CHANGELOG.md
• I have added tests to cover my changes.
• I have updated the documentation accordingly.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 49.16%. Comparing base (35dc203) to head (c4db428).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #329   +/-   ##
=======================================
  Coverage   49.16%   49.16%           
=======================================
  Files           9        9           
  Lines        1375     1375           
=======================================
  Hits          676      676           
  Misses        654      654           
  Partials       45       45           

Files	Coverage Δ
app/app.go	83.30% <ø> (ø)
app/encoding.go	100.00% <ø> (ø)
cmd/fnsad/cmd/root.go	11.87% <ø> (ø)

[da1suk8]

@zemyblue

finschia/interchaintest/go.mod

Line 1 in 9ac70f3

module github.com/Finschia/finschia/v2/interchaintest

Is there no need to make any changes to this?

[zemyblue]

@zemyblue

finschia/interchaintest/go.mod

Line 1 in 9ac70f3

module github.com/Finschia/finschia/v2/interchaintest

Is there no need to make any changes to this?

Oh! it's a good point.
I think it needs to be modified also.
Thank you. I'll modify it.