feat: instrument tracer for async_trait calls

[andysim3d]

[Closes/Fixes]

Proposed Changes

[codecov]

Codecov Report

Attention: Patch coverage is 36.19048% with 67 lines in your changes missing coverage. Please review.

Please upload report for BASE (feat/otlp-instrument@5c91c60). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
crates/provider/src/alloy/evm.rs	5.55%	17 Missing ⚠️
crates/provider/src/alloy/entry_point/v0_7.rs	0.00%	9 Missing ⚠️
crates/sim/src/precheck.rs	0.00%	9 Missing ⚠️
crates/provider/src/alloy/entry_point/v0_6.rs	0.00%	7 Missing ⚠️
crates/provider/src/alloy/da/local/bedrock.rs	0.00%	6 Missing ⚠️
crates/rpc/src/eth/api.rs	28.57%	5 Missing ⚠️
crates/sim/src/gas/gas.rs	20.00%	4 Missing ⚠️
crates/provider/src/alloy/da/local/nitro.rs	0.00%	3 Missing ⚠️
crates/rpc/src/eth/events/common.rs	50.00%	2 Missing ⚠️
crates/pool/src/chain.rs	83.33%	1 Missing ⚠️
... and 4 more

Additional details and impacted files

Files with missing lines	Coverage Δ
crates/pool/src/mempool/paymaster.rs	93.24% <100.00%> (ø)
crates/rpc/src/eth/events/mod.rs	100.00% <100.00%> (ø)
crates/sim/src/estimation/estimate_call_gas.rs	86.88% <100.00%> (ø)
...es/sim/src/estimation/estimate_verification_gas.rs	84.69% <100.00%> (ø)
crates/sim/src/estimation/v0_6.rs	94.64% <100.00%> (ø)
crates/sim/src/estimation/v0_7.rs	89.32% <100.00%> (ø)
crates/sim/src/gas/oracle.rs	91.74% <100.00%> (ø)
crates/pool/src/chain.rs	95.93% <83.33%> (ø)
crates/pool/src/mempool/uo_pool.rs	93.31% <75.00%> (ø)
crates/provider/src/alloy/da/arbitrum.rs	0.00% <0.00%> (ø)
... and 11 more

Flag	Coverage Δ
unit-tests	59.71% <36.19%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
rundler binary	0.00% <0.00%> (?)
builder	67.64% <0.00%> (?)
dev	∅ <0.00%> (?)
pool	67.75% <0.00%> (?)
provider	19.81% <0.00%> (?)
rpc	25.85% <0.00%> (?)
sim	80.16% <0.00%> (?)
tasks	∅ <0.00%> (?)
types	66.80% <0.00%> (?)
utils	32.43% <0.00%> (?)