sort favorites case insensitively

[oalders]

• Allow for case-insensitive sort on favorites
• default to using less RAM for elasticsearch-test container

We will need to re-index faves:

curl -X POST 'https://[production-url]/cpan_v1_01_favorite/_update_by_query?refresh'

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.66%. Comparing base (3d29507) to head (06da407).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1463      +/-   ##
==========================================
+ Coverage   62.62%   62.66%   +0.03%     
==========================================
  Files         137      137              
  Lines        4407     4409       +2     
  Branches      661      662       +1     
==========================================
+ Hits         2760     2763       +3     
+ Misses       1394     1393       -1     
  Partials      253      253              

Files with missing lines	Coverage Δ
lib/MetaCPAN/Query/Favorite.pm	66.07% <100.00%> (+3.10%)	⬆️

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