github actions add missing build step for network-tests job

.github/workflows/network-tests.yml

@@ -38,4 +38,8 @@ jobs:
     - name: checks
       run: |
         yarn install --frozen-lockfile --network-timeout 120000
+        yarn workspace @joystream/types build
+        yarn workspace @joystream/cd-schemas generate:all
+        yarn workspace @joystream/cd-schemas build
+        yarn workspace @joystream/cli build
         yarn workspace network-tests checks --quiet