Update vue requirement to 2.5.16

[dependabot-preview]

Updates the requirements on vue to permit the latest version.

Release notes

Sourced from vue's releases.

v2.5.16

Bug Fixes

• allow multiline expression in v-for 71b4b25, closes #7792
• fix keyName checking for arrow keys in IE11 4378fc5, closes #7806
• fix regression on duplicate component init when using shared data objects 984927a, closes #7805
• core: Make set/delete warning condition for undefined, null and (#7818) 9084747, closes #7818 #7452
• keep-alive: run prune after render for correct active component check 215f877, closes #7566
• model: fix static input type being overwritten by v-bind object (#7819) a6169d1, closes #7819 #7811
• ssr: fix SSR for async functional components 882e719, closes #7784
• ssr: fix v-show inline style rendering when style binding is array (#7814) 1a979c4, closes #7814 #7813
• fix wrongly matched named slots in functional components 62a922e, closes #7817
• named slots for nested functional components 6dd73e9, closes #7710

Commits

• See full diff in compare view

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[codecov-io]

Codecov Report

Merging #296 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #296   +/-   ##
=========================================
  Coverage     40.64%   40.64%           
  Complexity      229      229           
=========================================
  Files            15       15           
  Lines           775      775           
=========================================
  Hits            315      315           
  Misses          460      460

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[dependabot-preview]

Superseded by #400.