[Bug] Possible EventEmitter memory leak detected

[unlight]

Describe the bug
(node:15272) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 uncaughtException listeners added to [process]. Use emitter.setMaxListeners() to increase limit
(Use node --trace-warnings ... to show where the warning was created)

To Reproduce

# open terminal 1
git clone https://github.com/unlight/mochapack-node-playground
cd mochapack-node-playground
git checkout 7dd0b3aff014a97f2fd38d0fce6b809798cb2918
pnpm i
npm run test:w
# switch to terminal 2
sleep 0.2
touch src/index.ts
sleep 0.2
touch src/index.ts
sleep 0.2
touch src/index.ts
sleep 0.2
touch src/index.ts
sleep 0.2
touch src/index.ts
sleep 0.2
touch src/index.ts
sleep 0.2
touch src/index.ts
sleep 0.2
touch src/index.ts
sleep 0.2
touch src/index.ts
echo "check terminal 1"

Environment if relevant (please complete the following information):

• OS: Windows 10
• Node version v16.15.0
• Mochapack version 2.1.4
• Webpack version 5.72.0