Replace the Goerli network with Sepolia in the test TestRpcBlockAdaption

[stefanalfbo]

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This includes adding a block and a signature json-file to the testdata directory for the Sepolia network.

This PR is fixing the issue #1796.

[pnowosie]

@stefanalfbo Great work, thank you for contributing to juno! ❤️

Please note that previous PR (#1768) has spread rpc handlers tests into several file. Kindly request to rebase your work onto current main and push again.

Thank you 🙏

[stefanalfbo]

This one has been rebased on current main now @pnowosie.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 75.18%. Comparing base (a923c90) to head (4c9e192).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1797      +/-   ##
==========================================
+ Coverage   75.11%   75.18%   +0.06%     
==========================================
  Files          96       96              
  Lines        8183     8183              
==========================================
+ Hits         6147     6152       +5     
+ Misses       1513     1509       -4     
+ Partials      523      522       -1     

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[pnowosie]

This PR will be merge to main as a part of #1861