Adjust github actions cache

Author: laurynas

.github/workflows/main.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node-version }}
-          cache: 'npm'
+          cache: 'yarn'
       - run: yarn install
       - env:
           DETECTLANGUAGE_API_KEY: ${{ secrets.DETECTLANGUAGE_API_KEY }}