feat: add Sonic Testnet

[oren-lava]

Description

Closes: #XXXX

Fantom will soon be deprecated and will be replaced by Sonic.
Sonic mainnet launched today and still no RPC endpoint. In the meantime, added Sonic testnet (called Blaze)

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Author Checklist

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please add links to any relevant follow up issues.

I have...

• read the contribution guide
• included the correct type prefix in the PR title, you can find examples of the prefixes below:
• confirmed ! in the type prefix if API or client breaking change
• targeted the main branch
• provided a link to the relevant issue or specification
• reviewed "Files changed" and left comments if necessary
• included the necessary unit and integration tests
• updated the relevant documentation or specification, including comments for documenting Go code
• confirmed all CI checks have passed

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• confirmed the correct type prefix in the PR title
• confirmed all author checklist items have been addressed
• reviewed state machine logic, API design and naming, documentation is accurate, tests and test coverage

[github-actions]

Test Results

2 340 tests  ±0   2 340 ✅ ±0   27m 36s ⏱️ +8s
  145 suites ±0       0 💤 ±0 
    7 files   ±0       0 ❌ ±0 

Results for commit 713b2ac. ± Comparison against base commit 1b12d07.

♻️ This comment has been updated with latest results.

[Yaroms]

@oren-lava please add it on lava-config instead