Release v3.47.3 (#11257)

chore: add changeset for v3.47.3

.changeset/v3.47.3.md

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+---
+"roo-cline": patch
+---
+
+- Remove "Enable URL context" and "Enable Grounding with Google search" checkboxes that are no longer needed (PR #11253 by @roomote)
+- Revert refactor that appended environment details into existing blocks, restoring original behavior (PR #11256 by @mrubens)
+- Revert removal of stripAppendedEnvironmentDetails and helpers, restoring necessary utility functions (PR #11255 by @mrubens)