Add NocoDB env vars to CI/CD build step

Vite inlines env vars at build time, so they must be available
during the build step via Gitea secrets.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitea/workflows/deploy.yml

@@ -14,6 +14,9 @@ jobs:
           node-version: '20'
       
       - name: Build frontend
+        env:
+          VITE_NOCODB_URL: ${{ secrets.VITE_NOCODB_URL }}
+          VITE_NOCODB_TOKEN: ${{ secrets.VITE_NOCODB_TOKEN }}
         run: |
           npm ci
           npm run build