fix(config): add missing globby dependency

[byCedric]

I'm updating the Standard Version Expo library and came across this. globby is used in Config.ts, I think it should be added here 😄 It works with this version, but do correct this if it needs an older one!

[codecov-io]

Codecov Report

Merging #1931 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1931   +/-   ##
=======================================
  Coverage   60.77%   60.77%           
=======================================
  Files          84       84           
  Lines        2598     2598           
  Branches      719      728    +9     
=======================================
  Hits         1579     1579           
+ Misses        996      989    -7     
- Partials       23       30    +7     

Impacted Files	Coverage Δ
packages/pwa/src/Manifest.ts	37.25% <0.00%> (ø)
packages/config/src/Config.ts	65.45% <0.00%> (ø)
packages/config/src/android/Manifest.ts	23.40% <0.00%> (ø)
...ackages/webpack-config/src/addons/withDevServer.ts	33.33% <0.00%> (ø)
...es/webpack-config/src/loaders/createBabelLoader.ts	46.66% <0.00%> (ø)
...webpack-config/src/plugins/FaviconWebpackPlugin.ts	4.76% <0.00%> (ø)

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