feat: on welcome message check if keys should be refilled

[PatrykBuniX]

Description

This PR just bumps core that will make sure client keeps track of their amount of key packages locally and on backend. For more details see wireapp/wire-web-packages#5517.

Checklist

• PR has been self reviewed by the author;
• Hard-to-understand areas of the code have been commented;
• If it is a core feature, unit tests have been added;

[codecov]

Codecov Report

Merging #15857 (1687fc3) into dev (4845430) will not change coverage.
Report is 1 commits behind head on dev.
The diff coverage is n/a.

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  Coverage   44.51%   44.51%           
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  Files         673      673           
  Lines       22733    22733           
  Branches     5168     5168           
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  Hits        10120    10120           
  Misses      11321    11321           
  Partials     1292     1292