chore: upgrade testing-library/react to v14

[booc0mtaco]

Summary:

re: testing-library/user-event#1104 (comment) update version of testing-library for react to latest major v14.

After validating stable tests, try removing/reducing calls to act() that might now be superfluous.

Test Plan:

• Wrote automated tests
• CI tests / new tests are not applicable
• Manually tested my changes, but I want to keep the details secret
• Manually tested my changes, and here are the details:
  • validate build with existing act() tests
  • validate build after removing some superfluous act() calls in test

[codecov]

Codecov Report

Merging #1788 (afe2d56) into next (dd202d8) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             next    #1788   +/-   ##
=======================================
  Coverage   92.56%   92.56%           
=======================================
  Files         147      147           
  Lines        2731     2731           
  Branches      710      709    -1     
=======================================
  Hits         2528     2528           
- Misses        187      202   +15     
+ Partials       16        1   -15     

see 5 files with indirect coverage changes

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[github-actions]

size-limit report 📦

Path	Size
components	97.81 KB (0%)
styles	33 KB (0%)

[booc0mtaco]

@ahuth was able to scrub away all of the extraneous act() calls, and it seems like the test runs might complete slightly faster than before 🤔. v14 seems to show fewer slow test runs, so we get to benefit from some improvements with less code ++