Bump electron-builder to version 19.47.0

[veggiedefender]

fixes #1829

First time contributor checklist

• I have read the README and Contributor Guidelines
• I have signed the Contributor Licence Agreement

Contributor checklist

• My contribution is fully baked and ready to be merged as is
• [X?] My changes are rebased on the latest master branch
• My commits are in nice logical chunks
• I have followed the best practices in my commit messages
• I have tested my contribution on these platforms:

• Arch 4.13.12-1-ARCH

• My changes pass all the local tests 100%
• I have considered whether my changes need additional tests, and in the case they do, I have written them

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Description

This pull request upgrades electron-builder to a version that allows installing dependencies on Linux systems that do not support the C.UTF-8 locale:

electron-userland/electron-builder@41920bf

[scottnonnenberg]

I've discovered, when doing previous updates, that there are two other dependencies that should probably be updated at the same time: electron-updater and electron-publisher-s3. Can you figure out which versions of these dependencies go along with 19.47.0?

Also, to verify that everything is working, please try these commands:

yarn generate
yarn build-release
grunt test-release:osx --dir=release

You can replace osx with lin or win as appropriate.

[veggiedefender]

the commit I just pushed fixes builds I think. I only have a linux machine to test on but both grunt unit-tests and grunt test-release:linux --dir=release passed.

also, would it be a good idea to add those commands to the tests section of CONTRIBUTING.md?

[scottnonnenberg]

Might add that to CONTRIBUTING.md but not many people are messing with our build/publish dependencies! :0)

[scottnonnenberg]

This is on hold until I've reviewed the electron-builder release notes - I seem to recall that there was a pretty big breaking change, and we needed to introduce some sort of compatibility option.

[scottnonnenberg]

Superceded by #1920