Release v0.58.0

What's Changed

• Changelog for v0.57.0-preview.0 by @gemini-cli-robot in #28918
• fix(core): ensure consistent symlink evaluation in ignore path handling by @luisfelipe-alt in #28915
• refactor(core): remove eslint-disable and type-asserts from shellExecutionService by @DavidAPierce in #28862
• fix(sandbox): isolate Docker and container runtime sockets and binaries in macOS Seatbelt by @josebalius in #28935
• fix(a2a-server): clear stale cancellation error on new message turns by @amelidev in #28940
• fix(core): declare top-level safety checkers in write policy configuration by @luisfelipe-alt in #28961
• (FIX) history rollback and retry nudge optimizations by @DavidAPierce in #28934

Full Changelog: v0.57.0...v0.58.0