make sure deps are installed before building

Author: Maël Lavault

.github/workflows/ci.yml

@@ -57,6 +57,10 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '22'
+          cache: 'yarn'
+
+      - name: Install root dependencies
+        run: yarn install --frozen-lockfile
 
       - name: Lint files
         run: yarn lint
@@ -74,6 +78,10 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '22'
+          cache: 'yarn'
+
+      - name: Install root dependencies
+        run: yarn install --frozen-lockfile
 
       - name: Typecheck files
         run: yarn typescript
@@ -91,6 +99,10 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '22'
+          cache: 'yarn'
+
+      - name: Install root dependencies
+        run: yarn install --frozen-lockfile
 
       - name: Run unit tests
         run: yarn test --coverage
@@ -121,6 +133,10 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '22'
+          cache: 'yarn'
+
+      - name: Install root dependencies
+        run: yarn install --frozen-lockfile
 
       - name: Build package
         run: yarn prepare