Bump typia to 13.2.0 with matching ttsc and nestia

typia@13.2.0 declares `ttsc: >=0.19.2` as an *optional* peer, so pnpm
happily resolved it against the catalog-pinned ttsc 0.18.4 and the native
transform plugin failed to compile (undefined: driver.NewTransformGraph,
driver.TransformOutputKey, driver.TransformGraph), breaking CI on the
dependabot PR.

Bump the catalog anchors together: ttsc 0.18.4 -> 0.21.0, and nestia
12.0.0 -> 12.1.0 (12.0.0 pins ttsc ^0.18.4 in its own subtree). Also fix
the typescript/no-misused-promises error that @ttsc/lint 0.21 newly
reports on the SIGTERM handler.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: samchon

packages/backend/src/executable/server.ts

@@ -10,9 +10,11 @@ async function main(): Promise<void> {
 
   // POST-PROCESS
   process.send?.("ready");
-  process.on("SIGTERM", async () => {
-    await backend.close();
-    process.exit(0);
+  process.on("SIGTERM", () => {
+    void (async () => {
+      await backend.close();
+      process.exit(0);
+    })();
   });
   global.process.on("uncaughtException", console.error);
   global.process.on("unhandledRejection", console.error);