chore: switch from yarn to npm (#852)

Author: bmish

.github/workflows/ci.yml

@@ -31,13 +31,13 @@ jobs:
       uses: actions/setup-node@v4
       with:
         node-version: ${{ matrix.node-version }}
-        cache: 'yarn'
+        cache: 'npm'
 
     - name: Install dependencies
-      run: yarn install --frozen-lockfile --non-interactive
+      run: npm ci
 
     - name: Run linters
-      run: yarn lint
+      run: npm run lint
 
     - name: Run tests
-      run: yarn test
+      run: npm test

.github/workflows/release-please.yml

@@ -27,8 +27,8 @@ jobs:
           registry-url: https://registry.npmjs.org
         if: ${{ steps.release.outputs.release_created }}
       - run: |
-          yarn install --non-interactive
-          yarn publish --provenance
+          npm ci
+          npm publish --provenance
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
         if: ${{ steps.release.outputs.release_created }}