chore: update to rust 1.75

[dancoombs]

Proposed Changes

• Update Rust to 1.75
• Fix lints

[codecov]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (3fa4c6b) 53.84% compared to head (707b592) 53.84%.

Additional details and impacted files

Files	Coverage Δ
crates/sim/src/simulation/simulation.rs	76.43% <100.00%> (ø)
bin/rundler/src/cli/node/mod.rs	0.00% <0.00%> (ø)
bin/rundler/src/cli/pool.rs	0.00% <0.00%> (ø)
bin/rundler/src/cli/builder.rs	0.00% <0.00%> (ø)

Flag	Coverage Δ
unit-tests	53.84% <20.00%> (ø)

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

Components	Coverage Δ
rundler binary	0.00% <0.00%> (ø)
builder	50.46% <ø> (ø)
dev	0.00% <ø> (ø)
pool	58.55% <ø> (ø)
provider	0.96% <ø> (ø)
rpc	17.16% <ø> (ø)
sim	83.31% <100.00%> (ø)
tasks	∅ <ø> (∅)
types	91.51% <ø> (ø)
utils	6.89% <ø> (ø)

[0xfourzerofour]

LGTM