Remove creation of empty .env files in workflows

[HalvorHaugan]

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Latest commit: 024de21

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[KenAJoh]

Nice 🚀
Should "engines" be set to require node 22 now?
https://docs.npmjs.com/cli/v10/configuring-npm/package-json#engines

[KenAJoh]

Seems like github-runners still use node 20 as the cached LTS version
https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2404-Readme.md

https://github.com/actions/setup-node/tree/v4/?tab=readme-ov-file#:~:text=The%20node%2Dversion,Runner%20Images.

[KenAJoh]

@HalvorHaugan Think this is good to go now, looks like node 22 was made accessible as LTS today
actions/runner-images@e74605c

[HalvorHaugan]

Nice 🚀 Should "engines" be set to require node 22 now? https://docs.npmjs.com/cli/v10/configuring-npm/package-json#engines

Afaics, this only has an effect when installing the package as a dependency.