SpaceliftVCSFileVersion represents a file at a specific commit,
including support for file deletion.
- filePathNo ID field - file versions identified by filePath within commit context
- isDeleted
- sizeBytes
- fileMode
- commitSpaceliftVCSCommit!Octal file permissions (e.g., "0644", "0755"), null if default Commit that introduced this file version
- contentSpaceliftVCSFileContentFile content (null if deleted)