Release v3.48.1 (#11584)

chore: add changeset for v3.48.1

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

Author: roomote[bot]

.changeset/v3.48.1.md

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+---
+"roo-cline": patch
+---
+
+- Fix: Await MCP server initialization before returning McpHub instance, preventing race conditions (PR #11518 by @daniel-lxs)
+- Fix: Correct Bedrock Claude Sonnet 4.6 model ID (#11509 by @PeterDaveHello, PR #11569 by @PeterDaveHello)
+- Add DeleteQueuedMessage IPC command for managing queued messages (PR #11464 by @roomote)