fix: neutron grpc url default; url parsing error message

[daniel-savu]

Description

The default neturon grpc url is plaintext but it was using a http prefix so all requests would fail

Drive-by changes

Related issues

Backward compatibility

Testing

[changeset-bot]

⚠️ No Changeset found

Latest commit: aecb518

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[codecov]

Codecov Report

Merging #3466 (aecb518) into main (59e89af) will not change coverage.
Report is 1 commits behind head on main.
The diff coverage is n/a.

Additional details and impacted files

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  Files          1       1           
  Lines         16      16           
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  Misses        16      16           

Components	Coverage Δ
core	∅ <ø> (∅)
hooks	∅ <ø> (∅)
isms	∅ <ø> (∅)
token	∅ <ø> (∅)
middlewares	∅ <ø> (∅)