feat(api): reduce unused mount currents with 96

[sfoster1]

This will make the hold and run currents for the unused right mount be much lower when the 96 is attached.

[codecov]

Codecov Report

Merging #13181 (928b2d5) into internal-release_0.14.0 (9f29c9d) will increase coverage by 0.06%.
Report is 4 commits behind head on internal-release_0.14.0.
The diff coverage is n/a.

@@                     Coverage Diff                     @@
##           internal-release_0.14.0   #13181      +/-   ##
===========================================================
+ Coverage                    72.53%   72.59%   +0.06%     
===========================================================
  Files                         2394     2372      -22     
  Lines                        66062    65306     -756     
  Branches                      7342     7202     -140     
===========================================================
- Hits                         47915    47408     -507     
+ Misses                       16401    16153     -248     
+ Partials                      1746     1745       -1     

Flag	Coverage Δ
g-code-testing	96.44% <ø> (ø)
notify-server	89.13% <ø> (ø)

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

Files Changed	Coverage Δ
...rc/opentrons/hardware_control/backends/ot3utils.py	94.33% <ø> (-0.21%)	⬇️
api/src/opentrons/hardware_control/types.py	96.62% <ø> (-0.03%)	⬇️

... and 57 files with indirect coverage changes

[Laura-Danielle]

lgtm