Change log level of origin-fork communication: info->debug

[FabijanC]

Usage related changes

When forking, people get output like this on startup:

➜ Work docker run -p 5050:5050 --env-file .setup shardlabs/starknet-devnet-rs
Forking from block: number=655423, hash=0x132d71b37272f9381078e48d2c7e61494c33d78e76b14e42d26f83d4a72ec27
2024-07-05T07:44:16.460660Z  INFO starknet_devnet_core::starknet::defaulter: Origin response contains no 'result': {"jsonrpc":"2.0","error":{"code":28,"message":"Class hash not found"},"id":0}
Predeployed FeeToken

The log line in the third line was my idea to contain useful information in case debugging was needed, but people are confused by it and this something has gone wrong. So I've changed the log level from info to debug.

Development related changes

• None

Checklist:

• [x] Checked out the contribution guidelines
• [x] Applied formatting - ./scripts/format.sh
• [x] No linter errors - ./scripts/clippy_check.sh
• [x] No unused dependencies - ./scripts/check_unused_deps.sh
• [x] No spelling errors - ./scripts/check_spelling.sh
• [x] Performed code self-review
• [x] Rebased to the latest commit of the target branch (or merged it into my branch)
  • Once you make the PR reviewable, please prefer merging over rebasing
• [x] Updated the docs if needed - ./website/README.md
• [x] Linked the issues resolvable by this PR - linking info
• [x] Updated the tests if needed; all passing - execution info