Fix use-window.test.tsx to use act

[myty]

Fixes #45 console warnings

• [x] Related GitHub issue(s) linked in PR description
• [x] Destination branch merged, built and tested with your changes
• [x] Code formatted and follows best practices and patterns
• [x] Code builds cleanly (no additional warnings or errors)
• [x] Manually tested
• [x] Automated tests are passing
• [x] No decreases in automated test coverage
• [-] Documentation updated (readme, docs, comments, etc.)
• [-] Localization: No hard-coded error messages in code files (minimally in string constants)

Per https://react-hooks-testing-library.com/usage/basic-hooks#updates, whenever an action causes the state of the hook to change, it should be wrapped in act

[codecov[bot]]

Codecov Report

Merging #61 (3f4160d) into main (b6bba47) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #61   +/-   ##
=======================================
  Coverage   94.62%   94.62%           
=======================================
  Files          16       16           
  Lines         242      242           
  Branches       27       27           
=======================================
  Hits          229      229           
  Misses         12       12           
  Partials        1        1           

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[brandongregoryscott]

Awesome, thanks for fixing this up @myty!