`codecept init` installs tsx and sets `require: ['tsx/cjs']`, but the
generated tsconfig.json still carried the legacy ts-node setup:
- a `"ts-node": { files: true }` block, though ts-node is never installed
  and is marked "not recommended" in loaderCheck.js
- `"module": "commonjs"`, wrong for an ESM ("type": "module") project
Generate a tsconfig that matches the tsx/ESM setup init already configures:
drop the ts-node block, use `module: ESNext` with `moduleResolution: bundler`
(so extensionless imports resolve as tsx/docs expect), and bump target/lib
to ES2022.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>