Revert to SVG icon with improved design

- Change back from PNG to SVG for better n8n compatibility
- Update SVG icon with larger viewBox and Strike green color (#00D924)
- Improve lightning bolt design for better visibility

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

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

nodes/Strike/Strike.node.ts

@@ -35,7 +35,7 @@ export class Strike implements INodeType {
 	description: INodeTypeDescription = {
 		displayName: 'Strike',
 		name: 'strike',
-		icon: 'file:strike.png',
+		icon: 'file:strike.svg',
 		group: ['transform'],
 		version: 1,
 		subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',