fix: throw when package name is set to electron

[kurekszymon]

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Summarize your changes:
throw when package name is set to electron.
tested with leading and trailing whitespaces too for potential .trim() but this problem only happens when it's just electron

fixes #1869

[kurekszymon]

rebased via github as branch was outdated, needed to amend to sign the commit.

[kurekszymon]

hey Erick, Mark,

should I keep rebasing my branch, or will it be done automatically when someone with write access decides to merge this change?

[dsanders11]

should I keep rebasing my branch, or will it be done automatically when someone with write access decides to merge this change?

You don't need to keep rebasing. 🙂 I'm going ahead and merging now.

[welcome]

Thanks for your contribution! 🎉

[electron-npm-package-publisher]

🎉 This PR is included in version 19.0.4 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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