chore(ci): make lockfile changes fail early (#152)

Author: hairmare

.github/workflows/test.yaml

@@ -30,7 +30,7 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
         cache: 'yarn'
-    - run: yarn install
+    - run: yarn install --frozen-lockfile
     - run: yarn test
     - run: yarn --cwd packages/app/ test:e2e:ci
     - uses: actions/upload-artifact@v3