[highlighter] - Explicit selection for highlighter environment

[jankalthoefer]

This should fix the issue where Stevie and Veronika were able to get the local highlighter environment setting.
if not other declared via ENV, highlighter will always pull updates from production and run the executable

[bundlemon]

BundleMon

Files updated (1)

Status	Path	Size	Limits
✅	renderer.(hash).js	7.02MB (+905B +0.01%)	-

Unchanged files (3)

Status	Path	Size	Limits
✅	vendors~renderer.(hash).js	4.68MB	-
✅	updater.js	115.28KB	-
✅	guest-api.js	40.19KB	-

Total files change +905B +0.01%

Final result: ✅

View report in BundleMon website ➡️

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