dependabotどのー!! 
bb27ca14e (upstream/master) Fix error when searching for empty phrase (#12711)
108e390d2 Bump webpack from 4.41.2 to 4.41.5 (#12724)
5c8a8bf79 Bump stackprof from 0.2.14 to 0.2.15 (#12726)
d5f93ea61 Bump pg from 1.1.4 to 1.2.0 (#12725)
a439fc7f7 Bump redis-namespace from 1.6.0 to 1.7.0 (#12727)
333009d8b Bump faker from 2.9.0 to 2.10.0 (#12728)
a2fe2e98e Bump react-test-renderer from 16.11.0 to 16.12.0 (#12721)
9fe5ba82c Bump derailed_benchmarks from 1.4.2 to 1.4.3 (#12729)
624507515 Bump is-nan from 1.2.1 to 1.3.0 (#12723)
a80fb33be Bump rack-cors from 1.1.0 to 1.1.1 (#12730)
3902b7677 Bump terser-webpack-plugin from 2.2.2 to 2.3.1 (#12722)
ed34c0401 Bump @babel/core from 7.7.5 to 7.7.7 (#12720)
0242f8ae8 Bump redux from 4.0.4 to 4.0.5 (#12719)
54e6c1c47 Bump eslint from 6.7.2 to 6.8.0 (#12717)
e7d349587 Upgrade Node v12 in Dockerfile (#12703)