actix-files: v0.7.0

• Remove the experimental experimental-io-uring crate feature and its implementation, including the NamedFile::open_async() method.
• Add support for passing multiple root directories to Files::new.
• Add Files::try_compressed() to support serving pre-compressed static files.
• Fix handling of Range: bytes=0-.
• Fix panic in Files when use_hidden_files() is enabled and request paths contain . segments.
• Fix NamedFile panic when serving files with pre-UNIX epoch modification times.
• Fix invalid Content-Encoding: identity header in NamedFile range responses.