Update os-lib to 0.8.0

[scala-steward]

Updates com.lihaoyi:os-lib from 0.7.8 to 0.8.0.
GitHub Release Notes - Version Diff

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updates.ignore = [ { groupId = "com.lihaoyi", artifactId = "os-lib" } ]

labels: library-update, early-semver-major, semver-spec-minor, commit-count:1