chore: upgrade to pebbledb v2

[faddat]

• Upgrades to pebbledbv2, which will ripple throughout the stack
• Upgrades golangci-lint to v2
• Upgrades Go runtime because pebble v2 requires v1.24

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PR checklist

• Tests written/updated
• Changelog entry added in .changelog (we use unclog to manage our changelog)

[github-actions]

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