Ensure to exclude only files from the external dojo/widgets dep

[agubler]

Type: bug

The following has been addressed in the PR:

• There is a related issue
• All code has been formatted with prettier
• Unit or Functional tests are included in the PR

Description:

Ooops I created a bad regex for dojo/widgets.

[codecov]

Codecov Report

Merging #201 into master will decrease coverage by 0.18%.
The diff coverage is 0%.

@@            Coverage Diff            @@
##           master    #201      +/-   ##
=========================================
- Coverage   52.88%   52.7%   -0.19%     
=========================================
  Files          10      10              
  Lines         571     573       +2     
  Branches      139     140       +1     
=========================================
  Hits          302     302              
- Misses        269     271       +2

Impacted Files	Coverage Δ
src/base.config.ts	22.5% <0%> (-0.29%)	⬇️

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[tomdye]

good catch