Upgrade HLS.js to 1.5.7 for iOS camera streaming support

[Pierre-Gilles]

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Description of change

Fix #2037

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.38%. Comparing base (da3bd2b) to head (ce39e5e).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2044   +/-   ##
=======================================
  Coverage   98.38%   98.38%           
=======================================
  Files         844      844           
  Lines       13743    13743           
=======================================
  Hits        13521    13521           
  Misses        222      222           

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[relativeci]

Job #2434: Bundle Size — 10.03MiB (+0.71%).

ce39e5e(current) vs da3bd2b master#2432(baseline)

Warning

Bundle contains 3 duplicate packages – View duplicate packages

Bundle metrics   3 changes 2 improvements

	Current Job #2434	Baseline Job #2432
Initial JS	5.37MiB(~-0.01%)	5.37MiB
Initial CSS	303.21KiB	303.21KiB
Cache Invalidation	62.51%	53.8%
Chunks	51	51
Assets	170	170
Modules	1457	1457
Duplicate Modules	20	20
Duplicate Code	0.78%(-1.27%)	0.79%
Packages	124	124
Duplicate Packages	3	3

Bundle size by type   1 change 1 regression

	Current Job #2434	Baseline Job #2432
JS	7.13MiB (+1%)	7.06MiB
IMG	2.46MiB	2.46MiB
CSS	319.71KiB	319.71KiB
Fonts	93.55KiB	93.55KiB
Other	17.53KiB	17.53KiB
HTML	13.58KiB	13.58KiB

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