Update build.yml

Author: RandomModderJDK

.github/workflows/build.yml

@@ -79,7 +79,7 @@ jobs:
  run: npx github:randommodderjdk/altstore-github --config web/altstore.template.json > web/altstore.json
 
  - name: Cache npm dependencies
- uses: actions/cache@v2
+ uses: actions/cache@v4
  with:
  path: '~/.npm'
  key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}