Release v3.50.5 (#11730)

chore: add changeset for v3.50.5

Co-authored-by: Roo Code <roomote@roocode.com>

Author: roomote-v0[bot]

.changeset/v3.50.5.md

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+"roo-cline": patch
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+- Add OpenAI's GPT-5.3-Codex model support (PR #11728 by @PeterDaveHello)
+- Warm Roo models on CLI startup for faster initial responses (PR #11722 by @cte)
+- Fix spelling/grammar and casing inconsistencies (#11478 by @PeterDaveHello, PR #11485 by @PeterDaveHello)
+- Fix: Restore Linear integration page (PR #11725 by @roomote)
+- Chore: Prepare CLI release v0.1.1 (PR #11723 by @cte)