chore: add changeset for v3.28.15 (#8491)

Author: mrubens

.changeset/v3.28.15.md

@@ -0,0 +1,19 @@
+---
+"roo-cline": patch
+---
+
+![3.28.15 Release - Kangaroo Sliding Down a Chute](/releases/3.28.15-release.png)
+
+- Add new DeepSeek and GLM models with detailed descriptions to the Chutes provider (thanks @mohammad154!)
+- Fix: properly reset cost limit tracking when user clicks "Reset and Continue" (#6889 by @alecoot, PR by app/roomote)
+- Fix: improve save button activation in prompts settings (#5780 by @beccare, PR by app/roomote)
+- Fix: overeager 'there are unsaved changes' dialog in settings (thanks @brunobergher!)
+- Fix: show send button when only images are selected in chat textarea (thanks app/roomote!)
+- Fix: Claude Sonnet 4.5 compatibility improvements (thanks @mrubens!)
+- Add UsageStats schema and type for better analytics tracking (thanks app/roomote!)
+- Include reasoning messages in cloud tasks (thanks @mrubens!)
+- Security: update dependency vite to v6.3.6 (thanks app/renovate!)
+- Deprecate free grok 4 fast model (thanks @mrubens!)
+- Remove unsupported Gemini 2.5 Flash Image Preview free model (thanks @SannidhyaSah!)
+- Add structured data to the homepage for better SEO (thanks @mrubens!)
+- Update dependency glob to v11.0.3 (thanks app/renovate!)