v3.2.0

What's Changed

• Lintlintlint by @justaugustus in #416
• filepromoter: Warn on (but don't block) unauthenticated operations by @justaugustus in #417
• testing: Add fakes for file promotion packages (via counterfeiter) by @justaugustus in #418
• filepromoter: Allow authenticated clients in non-production runs by @justaugustus in #420
• filepromoter: Build unauthenticated client for source filestores by @justaugustus in #422
• OWNERS cleanup by @justaugustus in #421
• Migrate gh2gcs tool/packages into repo by @justaugustus in #423
• cmd/cip: Default to non-production runs with --confirm by @justaugustus in #285
• go.mod: Init v3 module by @justaugustus in #425
• v3.2.0: Release commit by @justaugustus in #426

Full Changelog: v1.338.0...v3.2.0