Build plugin SDK before smoke server start

Co-Authored-By: Paperclip <noreply@paperclip.ing>

.github/workflows/e2e.yml

@@ -51,6 +51,9 @@ jobs:
       - name: Install dependencies
         run: pnpm install --no-frozen-lockfile
 
+      - name: Build runtime package dependencies
+        run: pnpm --filter @paperclipai/plugin-sdk build
+
       - name: Record Docker runner details
         run: |
           set -euo pipefail