release: 1.2.0

Versões, changelog e roadmap: discos virtuais (QCOW2, VMDK, VHD, VHDX, DMG), trilha
de auditoria encadeada por hash, relatório em PDF e mapa de espaço livre do APFS.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Cargo.toml

@@ -3,7 +3,7 @@ resolver = "2"
 members = ["crates/guara-core", "crates/guara-cli"]
 
 [workspace.package]
-version = "1.1.0"
+version = "1.2.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/lucasrguerra/guara"