conform to latest libsonata

[AurelienJaquier]

because new libsonata dependencies has some restrictions about the SEClamp input

the behavior is not changed because the last voltage step lasts until the seclamp is off, independently of the duration given

[AurelienJaquier]

Also will have to change

 if len(voltages) != len(durations) - 1:
        msg = "Invalid SEClamp config: len(voltage_levels) must equal len(duration_levels) - 1"
        raise ValueError(msg)

into

  if len(voltages) != len(durations):
        msg = "Invalid SEClamp config: len(voltage_levels) must equal len(duration_levels)"
        raise ValueError(msg)

in openbraininstitute/Bluenaas#124 when this PR and openbraininstitute/obi-one#627 are merged

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Files with missing lines	Coverage Δ
bluecellulab/cell/injector.py	94.21% <100.00%> (ø)
tests/test_cell/test_injector.py	98.72% <100.00%> (ø)

... and 1 file with indirect coverage changes

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