feat(storage): static files metrics

[shekhirin]

Similar to database metrics, we now record the following metrics for the snapshot provider:

reth/crates/storage/provider/src/providers/snapshot/metrics.rs

Lines 59 to 66 in 77b07b1

	pub(crate) enum SnapshotProviderOperation {
	InitCursor,
	OpenWriter,
	Append,
	Prune,
	IncrementBlock,
	CommitWriter,
	}

reth_snapshots_jar_provider_calls_total{segment="headers",operation="append"} 64
reth_snapshots_jar_provider_calls_total{segment="headers",operation="commit-writer"} 2
reth_snapshots_jar_provider_calls_total{segment="headers",operation="increment-block"} 64
reth_snapshots_jar_provider_calls_total{segment="headers",operation="init-cursor"} 6400
reth_snapshots_jar_provider_calls_total{segment="headers",operation="open-writer"} 1
reth_snapshots_jar_provider_calls_total{segment="receipts",operation="append"} 10566
reth_snapshots_jar_provider_calls_total{segment="receipts",operation="commit-writer"} 2
reth_snapshots_jar_provider_calls_total{segment="receipts",operation="increment-block"} 64
reth_snapshots_jar_provider_calls_total{segment="receipts",operation="init-cursor"} 6
reth_snapshots_jar_provider_calls_total{segment="receipts",operation="open-writer"} 1
reth_snapshots_jar_provider_calls_total{segment="transactions",operation="append"} 10566
reth_snapshots_jar_provider_calls_total{segment="transactions",operation="commit-writer"} 2
reth_snapshots_jar_provider_calls_total{segment="transactions",operation="increment-block"} 64
reth_snapshots_jar_provider_calls_total{segment="transactions",operation="init-cursor"} 3263
reth_snapshots_jar_provider_calls_total{segment="transactions",operation="open-writer"} 1

[onbjerg]

test failure unrelated, it's a timeout -.-