chore: Bump version to 0.30.0

Updated all component versions:
- bd CLI: 0.29.0 → 0.30.0
- Plugin: 0.29.0 → 0.30.0
- MCP server: 0.29.0 → 0.30.0
- npm package: 0.29.0 → 0.30.0
- Documentation: 0.29.0 → 0.30.0

Generated by scripts/bump-version.sh

integrations/beads-mcp/pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "beads-mcp"
-version = "0.29.0"
+version = "0.30.0"
 description = "MCP server for beads issue tracker."
 readme = "README.md"
 requires-python = ">=3.10"