feat(txpool): Make TransactionPool trait object safe

[PatStiles]

closes #4097

[codecov]

Codecov Report

Merging #4156 (d953363) into main (500b0fa) will decrease coverage by 0.05%.
Report is 1 commits behind head on main.
The diff coverage is 41.17%.

Files Changed	Coverage Δ
crates/consensus/auto-seal/src/task.rs	0.00% <0.00%> (ø)
crates/net/network/src/transactions.rs	61.57% <0.00%> (+0.17%)	⬆️
crates/transaction-pool/src/noop.rs	12.85% <0.00%> (+0.26%)	⬆️
crates/transaction-pool/src/traits.rs	9.09% <ø> (ø)
crates/transaction-pool/src/lib.rs	42.07% <50.00%> (-1.05%)	⬇️
crates/transaction-pool/src/pool/mod.rs	48.61% <50.00%> (ø)
crates/transaction-pool/src/pool/txpool.rs	59.38% <83.33%> (ø)

... and 8 files with indirect coverage changes

Flag	Coverage Δ
integration-tests	16.87% <5.88%> (-0.01%)	⬇️
unit-tests	64.04% <41.17%> (-0.05%)	⬇️

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

Components	Coverage Δ
reth binary	25.94% <ø> (ø)
blockchain tree	82.83% <ø> (ø)
pipeline	90.07% <ø> (ø)
storage (db)	74.75% <ø> (ø)
trie	94.67% <ø> (-0.05%)	⬇️
txpool	47.59% <58.33%> (-0.64%)	⬇️
networking	77.75% <0.00%> (-0.03%)	⬇️
rpc	58.69% <ø> (-0.01%)	⬇️
consensus	63.73% <0.00%> (-0.04%)	⬇️
revm	32.18% <ø> (ø)
payload builder	6.57% <ø> (ø)
primitives	87.82% <ø> (ø)

[onbjerg]

lgtm, needs formatting

[mattsse]

lgtm