New tracing system cfg adjustment

[johnalotoski]

Description

• Bumps iohkNix for new tracing system tuning seen in iohk-nix-pr-608, also related to cardano-node-pr-6388
• Adjusts local reference configuration to align with new iohkNix reference cfg changes

Checklist

• Commit sequence broadly makes sense and commits have useful messages
• CI passes. See note on CI. The following CI checks are required:
• Self-reviewed the diff

[Copilot]

Pull request overview

This PR updates the iohk-nix dependency to incorporate new tracing system tuning and adjusts local configuration files to align with the reference configuration changes from iohk-nix PR #608.

Key Changes:

• Updates iohk-nix dependency to the coot/new-tracing-system branch
• Removes the TraceOptionPeerFrequency configuration option across all config files
• Increases verbosity by changing certain trace severities from Silence to Info for better alignment with legacy tracing behavior
• Removes the now-unnecessary Net.ConnectionManager.Remote.ConnectionManagerCounters configuration

Reviewed changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
flake.nix	Updates iohk-nix input to reference the new-tracing-system branch
flake.lock	Locks the iohk-nix dependency to the specific commit from the new branch
configuration/cardano/testnet-template-config.json	Adjusts tracing configuration to align with new system (removes peer frequency option, updates severity levels)
configuration/cardano/mainnet-config.yaml	Applies same tracing configuration adjustments as testnet template
configuration/cardano/mainnet-config.json	Applies same tracing configuration adjustments in JSON format

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[snarlysodboxer]

LGTM