Genesis amoy json

[anshalshukla]

Description

Adds amoy genesis in json format, external requirement communicated by support team

Changes

• Bugfix (non-breaking change that solves an issue)
• Hotfix (change that solves an urgent issue, and requires immediate attention)
• New feature (non-breaking change that adds functionality)
• Breaking change (change that is not backwards-compatible and/or changes current functionality)
• Changes only for a subset of nodes

Breaking changes

Please complete this section if any breaking changes have been made, otherwise delete it

Nodes audience

In case this PR includes changes that must be applied only to a subset of nodes, please specify how you handled it (e.g. by adding a flag with a default value...)

Checklist

• I have added at least 2 reviewer or the whole pos-v1 team
• I have added sufficient documentation in code
• I will be resolving comments - if any - by pushing each fix in a separate commit and linking the commit hash in the comment reply
• Created a task in Jira and informed the team for implementation in Erigon client (if applicable)
• Includes RPC methods changes, and the Notion documentation has been updated

Cross repository changes

• This PR requires changes to heimdall
  • In case link the PR here:
• This PR requires changes to matic-cli
  • In case link the PR here:

Testing

• I have added unit tests
• I have added tests to CI
• I have tested this code manually on local environment
• I have tested this code manually on remote devnet using express-cli
• I have tested this code manually on mumbai
• I have created new e2e tests into express-cli

Manual tests

Please complete this section with the steps you performed if you ran manual tests for this functionality, otherwise delete it

Additional comments

Please post additional comments in this section if you have them, otherwise delete it

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 51.44%. Comparing base (fd4b9c2) to head (f40abf9).

Additional details and impacted files

@@                    Coverage Diff                    @@
##           v1.3.0-beta-candidate    #1208      +/-   ##
=========================================================
- Coverage                  51.44%   51.44%   -0.01%     
=========================================================
  Files                        794      794              
  Lines                     131304   131304              
=========================================================
- Hits                       67549    67547       -2     
- Misses                     59576    59580       +4     
+ Partials                    4179     4177       -2     

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