Fix VS Code spelling

[unrealapex]

Fixed the spelling of VS Code. It is two words not one. See Microsoft's naming guidelines documentation.

[codecov]

Codecov Report

Base: 98.77% // Head: 98.76% // Decreases project coverage by -0.02% ⚠️

Coverage data is based on head (81e81cf) compared to base (59a942d).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4522      +/-   ##
==========================================
- Coverage   98.77%   98.76%   -0.02%     
==========================================
  Files         273      273              
  Lines       25913    25913              
  Branches     5374     5374              
==========================================
- Hits        25596    25592       -4     
- Misses        185      186       +1     
- Partials      132      135       +3     

Impacted Files	Coverage Δ
src/handler/codelens/buffer.ts	96.83% <0.00%> (-1.27%)	⬇️
src/handler/inlayHint/buffer.ts	92.74% <0.00%> (-0.81%)	⬇️
src/language-client/diagnostic.ts	89.07% <0.00%> (-0.34%)	⬇️

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[fannheyward]

Thank you for your PR, can you merge your three PRs to one cause they're all typo/grammar related?

[unrealapex]

@fannheyward #4521