v0.3.0

[0.3.0]

Added

• wfs.RenameFS support via GCS server-side copy (CopierFrom) +
  Delete (#7).
• wfs.SyncWriterFile support (no-op — GCS writes atomically on
  Close) (#7).
• CI: GitHub Actions with Go version matrix (1.24, stable),
  golangci-lint, govulncheck (#5).
• Dependabot for weekly Go module and GitHub Actions updates (#5).
• CHANGELOG.md (#8).

Changed

• Upgraded wfs dependency from v0.4.0 to v0.5.0 (#5).
• Upgraded cloud.google.com/go/storage from v1.33.0 to v1.60.0 (#5).
• Upgraded google.golang.org/api from v0.141.0 to v0.265.0 (#5).
• Removed io2 dependency (replaced with internal lazyWriteCloser) (#5).
• Minimum Go version set to 1.24 (#5).

Fixed

• Unchecked Close and SetAttrSelection errors flagged by
  errcheck (#5).
• Open(".") and Stat(".") on real GCS failed because "." was
  sent as an object name (#9).