Update vue from 2.4.4 to 2.5.2 in addons/knobs

[dependencies]

vue has been updated to 2.5.2 in addons/knobs by dependencies.io

2.5.2

Bug Fixes

• adjust nextTick implementation for more consistent behavior with earlier versions 4e0c4851, closes Storybook 5.1.0-beta.1 is not showing all stories and has a TypeError in the console #6813

[codecov]

Codecov Report

Merging #2043 into master will increase coverage by 0.5%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #2043     +/-   ##
=========================================
+ Coverage   21.34%   21.84%   +0.5%     
=========================================
  Files         262      262             
  Lines        5767     5817     +50     
  Branches      692      804    +112     
=========================================
+ Hits         1231     1271     +40     
+ Misses       4003     3954     -49     
- Partials      533      592     +59

Impacted Files	Coverage Δ
app/react/src/server/babel_config.js	66.66% <0%> (-10.76%)	⬇️
app/react/src/server/utils.js	44.11% <0%> (-9.46%)	⬇️
...es__/update-addon-info/update-addon-info.output.js	0% <0%> (ø)	⬆️
lib/ui/src/modules/ui/containers/layout.js	12.5% <0%> (ø)	⬆️
addons/knobs/src/components/PropField.js	10.86% <0%> (ø)	⬆️
...res__/update-addon-info/update-addon-info.input.js	0% <0%> (ø)	⬆️
lib/components/src/navigation/menu_link.js	0% <0%> (ø)	⬆️
addons/info/src/components/markdown/htags.js	30% <0%> (ø)	⬆️
lib/ui/src/modules/api/actions/api.js	50.47% <0%> (ø)	⬆️
addons/knobs/src/components/types/Boolean.js	11.62% <0%> (ø)	⬆️
... and 27 more

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