v0.60.0

## What's Changed
* fix(core): improve destination validation and connection routing in web fetch utilities by @diegogodinezr in https://github.com/google-gemini/gemini-cli/pull/29120
* fix(core): enforce RFC 9207 issuer identification in MCP OAuth flow by @jvargassanchez-dot in https://github.com/google-gemini/gemini-cli/pull/29117
* chore(release): bump version to 0.60.0-nightly.20260901.g0bd1d4397 by @gemini-cli-robot in https://github.com/google-gemini/gemini-cli/pull/29162
* Changelog for v0.58.0 by @gemini-cli-robot in https://github.com/google-gemini/gemini-cli/pull/29161
* fix(cli): isolate temporary directory for macOS Seatbelt sandbox by @jvargassanchez-dot in https://github.com/google-gemini/gemini-cli/pull/29171
* feat(extensions): harden path resolution and boundary validation in extension loader by @diegogodinezr in https://github.com/google-gemini/gemini-cli/pull/29169
* Changelog for v0.59.0-preview.0 by @gemini-cli-robot in https://github.com/google-gemini/gemini-cli/pull/29159
* fix(core): sanitize and remove hardcoded Google CrUX API key in chrome-devtools-mcp by @amelidev in https://github.com/google-gemini/gemini-cli/pull/29158
* fix(extensions): prompt for consent on environment changes and sanitize runtime-altering environment variables by @amelidev in https://github.com/google-gemini/gemini-cli/pull/28863
* fix(core): enhance workspace path boundary checks and symlink resolution in command safety and file discovery by @jesussamuel-byte in https://github.com/google-gemini/gemini-cli/pull/29170
* fix(config): enforce strict permission and ownership checks on system-wide configuration paths by @jesussamuel-byte in https://github.com/google-gemini/gemini-cli/pull/29115
* fix(core): mitigate NTFS 8.3 short name (SFN) path by @urielefrenvirtusa in https://github.com/google-gemini/gemini-cli/pull/29116
* fix(cli): isolate settings directory in sandbox containers by @jvargassanchez-dot in https://github.com/google-gemini/gemini-cli/pull/29216
* fix(core): enforce envelope metadata provenance for untrusted tool outputs by @luisfelipe-alt in https://github.com/google-gemini/gemini-cli/pull/29215

## New Contributors
* @urielefrenvirtusa made their first contribution in https://github.com/google-gemini/gemini-cli/pull/29116

**Full Changelog**: https://github.com/google-gemini/gemini-cli/compare/v0.59.0...v0.60.0