Add ExpireFilter for M3U8 mime-type for Last-Modified header

[mekya]

ant-media/Ant-Media-Server#7616

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 68.46%. Comparing base (6e788c1) to head (c9150c2).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #574   +/-   ##
=======================================
  Coverage   68.46%   68.46%           
=======================================
  Files           8        8           
  Lines        2118     2118           
=======================================
  Hits         1450     1450           
  Misses        668      668           

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