fix: add bucket to histogram metrics

[andysim3d]

[Closes/Fixes] #

rundler's histgram metrics are incomplete, they miss the bucket metrics. We can only get quantile info without weights. this pr is to add buckets info. the bucket is defined as 2^x, balancing metric density and data accuracy.

Proposed Changes

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 5 lines in your changes missing coverage. Please review.

Project coverage is 57.55%. Comparing base (376d552) to head (f6065b7).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
bin/rundler/src/cli/mod.rs	0.00%	3 Missing ⚠️
bin/rundler/src/cli/metrics.rs	0.00%	2 Missing ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
bin/rundler/src/cli/metrics.rs	0.00% <0.00%> (ø)
bin/rundler/src/cli/mod.rs	0.00% <0.00%> (ø)

Flag	Coverage Δ
unit-tests	57.55% <0.00%> (-0.02%)	⬇️

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	60.59% <ø> (ø)
dev	0.00% <ø> (ø)
pool	64.46% <ø> (ø)
provider	16.10% <ø> (ø)
rpc	25.63% <ø> (ø)
sim	78.53% <ø> (ø)
tasks	∅ <ø> (∅)
types	66.68% <ø> (ø)
utils	18.28% <ø> (ø)

[dancoombs]

LGTM, you'll need to fix the commit messages and I can give another check.

[andysim3d]

LGTM, you'll need to fix the commit messages and I can give another check.

commits squashed.