build: migrate from yarn to npm

Author: antongolub

.github/workflows/ci.yaml

@@ -23,16 +23,16 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 20
-          # cache: 'yarn'
+          cache: 'npm'
 
       - name: Fetch deps
-        run: yarn --mutex network --frozen-lockfile --network-concurrency 25 --silent --disable-self-update-check
+        run: npm ci
 
       - name: Build
-        run: yarn build
+        run: npm run build
 
       - name: Run tests
-        run: yarn test
+        run: npm run test
 
 #      - name: Codeclimate
 #        if: github.ref == 'refs/heads/main'
@@ -73,13 +73,13 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
-          cache: 'yarn'
+          cache: 'npm'
 
       - name: Fetch deps
-        run: yarn --mutex network --frozen-lockfile --network-concurrency 25 --silent --disable-self-update-check
+        run: npm ci
 
       - name: Build
-        run: yarn build
+        run: npm run build
 
       - name: Run tests
-        run: yarn test
+        run: npm run test