Use @emotion/snapshot-serializer

[pksunkara]

Remove jest-emotion

[codecov]

Codecov Report

Merging #4206 into master will decrease coverage by 0.14%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master   #4206      +/-   ##
=========================================
- Coverage   40.75%   40.6%   -0.15%     
=========================================
  Files         492     491       -1     
  Lines        5845    5832      -13     
  Branches      781     780       -1     
=========================================
- Hits         2382    2368      -14     
- Misses       3087    3088       +1     
  Partials      376     376

Impacted Files	Coverage Δ
...s/storyshots-core/src/api/ensureOptionsDefaults.js	90% <0%> (-10%)	⬇️
.../storyshots-core/src/api/snapshotsTestsTemplate.js	86.66% <0%> (-2.23%)	⬇️
addons/storyshots/storyshots-core/src/api/index.js	82.35% <0%> (ø)	⬆️
...ore/stories/required_with_context/Async.stories.js

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