Update pmac from beamline

[phathaway]

Fixes #1991

Instructions to reviewer on how to test:

1. Run tests - check passing

Checks for reviewer

• Would the PR title make sense to a scientist on a set of release notes
• If a new device has been added does it follow the standards
• If changing the API for a pre-existing device, ensure that any beamlines using this device have updated their Bluesky plans accordingly
• Have the connection tests for the relevant beamline(s) been run via dodal connect ${BEAMLINE}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.08%. Comparing base (fe5c9c0) to head (4405c5c).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1992   +/-   ##
=======================================
  Coverage   99.08%   99.08%           
=======================================
  Files         319      319           
  Lines       12408    12408           
=======================================
  Hits        12295    12295           
  Misses        113      113           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[noemifrisina]

lgtm, thanks