Migrate from ncc to esbuild

Allows updating @actions/core and @actions/tool-cache. Their old versions had dependencies with security issues.

tsconfig.json

@@ -1,8 +1,8 @@
 {
   "compilerOptions": {
     "target": "ES2024",
-    "module": "commonjs",
-    "moduleResolution": "node",
+    "module": "es2022",
+    "moduleResolution": "bundler",
     "lib": [
       "ES2024"
     ],