Add pnpm install to release step (#795)

* more github changes

* moar changes

Author: danditomaso

.github/workflows/release-web.yml

@@ -74,6 +74,13 @@ jobs:
           cache: pnpm
           cache-dependency-path: '**/pnpm-lock.yaml'
 
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build web package
+        working-directory: packages/web
+        run: pnpm run build
+
       - name: Build web package
         working-directory: packages/web
         run: pnpm run build