traefik@1: build on Linux

[cho-m]

• Have you followed the guidelines for contributing?
• Have you ensured that your commits follow the commit style guide?
• Have you checked that there aren't other open pull requests for the same formula update/change?
• Have you built your formula locally with brew install --build-from-source <formula>, where <formula> is the name of the formula you're submitting?
• Is your test running fine brew test <formula>, where <formula> is the name of the formula you're submitting?
• Does your build pass brew audit --strict <formula> (after doing brew install --build-from-source <formula>)? If this is a new formula, does it pass brew audit --new <formula>?

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Testing build on Linux. Didn't see any issues locally.

[Bo98]

I'm surprised this works to be honest? The lockfile hasn't been updated in years.

[BrewTestBot]

🤖 A scheduled task has triggered a merge.