feat: Deploy Verax on Arbitrum Sepolia

[alainncls]

What does this PR do?

• Deploys the Verax contract on Arbitrum Sepolia
• Deploys the Arbitrum Sepolia subgraph on TheGraoh
• Upgrades the SDK to be compatible with Arbitrum Sepolia

Type of change

• Chore
• Bug fix
• New feature
• Documentation update

Check list

• Unit tests for any smart contract change
• Contracts and functions are documented

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.63%. Comparing base (42a2da5) to head (5734dac).

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #563   +/-   ##
=======================================
  Coverage   93.63%   93.63%           
=======================================
  Files          20       20           
  Lines         330      330           
  Branches       76       76           
=======================================
  Hits          309      309           
  Misses         10       10           
  Partials       11       11           

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