docs: update Claude Code releases (v2.1.27 → v2.1.29)

Updates:
- Latest version: v2.1.29 (2026-01-31)
- Updated date: 2026-02-02
- Added v2.1.29: Performance fixes for session resumption
- Corrected v2.1.27 date: 2026-01-29 (was incorrectly 2026-01-31)
- Enhanced v2.1.27 highlights: Windows/VSCode fixes

Source: github.com/anthropics/claude-code/CHANGELOG.md

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

guide/claude-code-releases.md

@@ -4,7 +4,7 @@
 > **Full details**: [github.com/anthropics/claude-code/CHANGELOG.md](https://github.com/anthropics/claude-code/blob/main/CHANGELOG.md)
 > **Machine-readable**: [claude-code-releases.yaml](../machine-readable/claude-code-releases.yaml)
 
-**Latest**: v2.1.27 | **Updated**: 2026-01-31
+**Latest**: v2.1.29 | **Updated**: 2026-02-02
 
 ---
 
@@ -19,7 +19,12 @@
 
 ## 2.1.x Series (January 2026)
 
-### v2.1.27 (2026-01-31)
+### v2.1.29 (2026-01-31)
+
+- **Performance**: Fixed startup performance issues when resuming sessions with saved hook context
+- Significantly improved session recovery speed for long-duration sessions
+
+### v2.1.27 (2026-01-29)
 
 - **New**: `--from-pr` flag to resume sessions linked to a specific GitHub PR number or URL
 - **New**: Sessions automatically linked to PRs when created via `gh pr create`