fix(WebpackConfig): protocol recognizes webpack's `devServer` setting

[Dogdriip]

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• [x] I agree to follow the code of conduct that this project follows, as appropriate.
• [x] The changes are appropriately documented (if applicable).
• [x] The changes have sufficient test coverage (if applicable).
• [x] The testsuite passes successfully on my local machine (if applicable).

Summarize your changes:

If you have opened your dev server with https via the devServer.server setting, make it aware of it.