Update LPMS to https://github.com/livepeer/lpms/pull/445

[j0sh]

Pulls in a number of fixes and mitigations in LPMS for out-of-order timestamps, runaway encodes, etc: livepeer/lpms#445

[Shih-Yu]

LGTM!

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 32.81737%. Comparing base (48c5d86) to head (f0e556f).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@                 Coverage Diff                 @@
##              master       #3863         +/-   ##
===================================================
+ Coverage   32.79594%   32.81737%   +0.02143%     
===================================================
  Files            171         171                 
  Lines          41993       41993                 
===================================================
+ Hits           13772       13781          +9     
+ Misses         27189       27180          -9     
  Partials        1032        1032                 

see 4 files with indirect coverage changes

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[j0sh]

From livepeer/lpms#445

Ran a test with a go-livepeer B+O with around 12 hours' worth of customer segments being sent in alternating order, checked timestamps for all, and and things check out OK.

Merging this so we can cut a release and get the fix into the wild.