chore: Bump version to 0.30.5

Updated all component versions:
- bd CLI: 0.30.4 → 0.30.5
- Plugin: 0.30.4 → 0.30.5
- MCP server: 0.30.4 → 0.30.5
- npm package: 0.30.4 → 0.30.5

Changes in 0.30.5:
- Removed YAML simple template system (--from-template flag)
- Removed embedded templates (bug.yaml, epic.yaml, feature.yaml)
- Templates are now purely Beads-based

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

cmd/bd/version.go

@@ -14,7 +14,7 @@ import (
 
 var (
 	// Version is the current version of bd (overridden by ldflags at build time)
-	Version = "0.30.4"
+	Version = "0.30.5"
 	// Build can be set via ldflags at compile time
 	Build = "dev"
 	// Commit and branch the git revision the binary was built from (optional ldflag)