feat: add metrics and telemetry

[dongsam]

Summary

Add metrics and telemetry to provide relevant insights about the module.

Tasks

• Add metrics (For example, an amount of coins and address when budgets are collected every block)

References

• Cosmos SDK: Telemetry
• https://github.com/tendermint/budget/pull/78

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For Admin Use

• [ ] Not duplicate issue
• [ ] Appropriate labels applied
• [ ] Appropriate contributors tagged
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[dongsam]

For the same reason as https://github.com/tendermint/budget/issues/92, the addition of metric is temporarily suspended.