Port multi-ledger support on termination skill from IEKIT

[angrybayblade]

Proposed changes

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Fixes

fixes #2125

Types of changes

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• Non-breaking fix (non-breaking change which fixes an issue)
• Breaking fix (breaking change which fixes an issue)
• Non-breaking feature (non-breaking change which adds functionality)
• Breaking feature (breaking change which adds functionality)
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Checklist

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• I have read the CONTRIBUTING doc
• I am making a pull request against the main branch (left side). Also you should start your branch off our main.
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have locally run services that could be impacted and they do not present failures derived from my changes
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• Any backwards-incompatible/breaking change has been clearly documented in the upgrading document.

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (68b4313) 94.52% compared to head (4f8c1ab) 94.52%.
Report is 1 commits behind head on main.

Files	Patch %	Lines
packages/valory/skills/termination_abci/rounds.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2144   +/-   ##
=======================================
  Coverage   94.52%   94.52%           
=======================================
  Files         259      259           
  Lines       15914    15919    +5     
=======================================
+ Hits        15043    15048    +5     
  Misses        871      871           

Flag	Coverage Δ
unittests	94.52% <80.00%> (+<0.01%)	⬆️

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[dvilelaf]

Shouldnt the chain be configurable?

[dvilelaf]

Just one comment. Some e2e failure, not sure if expected.

[dvilelaf]

LGTM. Are the e2e failures expected?