ci: updated webpack versions

[cap-Bernardito]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

Updated webpack versions

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

Merging #128 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff             @@
##            master      #128    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files           10         5     -5     
  Lines          424       212   -212     
  Branches       112        56    -56     
==========================================
- Hits           424       212   -212     

Impacted Files	Coverage Δ
...a/source-map-loader/source-map-loader/src/utils.js
...:/a/source-map-loader/source-map-loader/src/cjs.js
...ap-loader/source-map-loader/src/labels-to-names.js
...a/source-map-loader/source-map-loader/src/index.js
...map-loader/source-map-loader/src/parse-data-url.js

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