📝 Update script metadata and modify update-cheatsheet.ts with new shebang and signature

single-scripts/update-cheatsheet.ts

@@ -1,4 +1,4 @@
-#!/usr/bin/env -S deno run -A
+#!/usr/bin/env runts -- --allow-all
 
 import {parse} from "jsr:@std/yaml";
 import {
@@ -100,3 +100,6 @@ main().catch((err) => {
     log.error(err);
     exit(1);
 }).then(() => exit(0));
+
+// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20260412T004945+08:00.MEQCIFlvRR177uPSgZ9hGzaa
+// 2WekjFgmYLSvZ1XnSZr0LdtMAiBgd18LDfJBUKz9YS8ouOI5FMTkM4H34J9Wq/iKC6aB9w==