Tooling: [API] Changed target in tsconfig to es6 (#2362)

Co-authored-by: Lucas Nogueira <lucas@tauri.studio>

.changes/api-target-es2021.md

@@ -0,0 +1,5 @@
+---
+"api": patch
+---
+
+Change target to ES2021.

tooling/api/tsconfig.json

@@ -2,6 +2,7 @@
   "compilerOptions": {
     "strict": true,
     "allowJs": true,
+    "target": "es2021",
     "esModuleInterop": true,
     "baseUrl": ".",
     "paths": {