chore: switch to cosmos/interchaintest

[technicallyty]

Description

moves off personal fork of interchaintest to cosmos org owned interchaintest

---

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.

• Linked to GitHub issue with discussion and accepted design, OR link to spec that describes this work.
• Include changelog entry when appropriate (e.g. chores should be omitted from changelog).
• Wrote unit and integration tests if relevant.
• Updated documentation (docs/) if anything is changed.
• Added godoc comments if relevant.
• Self-reviewed Files changed in the GitHub PR explorer.
• Provide a conventional commit message to follow the repository standards.

[codecov]

Codecov Report

Attention: Patch coverage is 14.28571% with 6 lines in your changes missing coverage. Please review.

Project coverage is 57.67%. Comparing base (b31bf93) to head (f7976b5).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
e2e/testsuite/testconfig.go	0.00%	2 Missing ⚠️
e2e/testsuite/tx.go	0.00%	2 Missing ⚠️
e2e/dockerutil/dockerutil.go	0.00%	1 Missing ⚠️
e2e/testsuite/testsuite.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #8486       +/-   ##
===========================================
+ Coverage   17.76%   57.67%   +39.91%     
===========================================
  Files          28      292      +264     
  Lines        2713    21452    +18739     
===========================================
+ Hits          482    12373    +11891     
- Misses       2204     8501     +6297     
- Partials       27      578      +551     

Flag	Coverage Δ
08-wasm	66.13% <ø> (ø)
e2e	1.13% <0.00%> (ø)
ibc-go	63.45% <100.00%> (?)

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[gjermundgaraba]

LFG 🚀🙌