fix: mobile CI 用 --registry 指定镜像，避免 pnpm config 因 workspace 报错

Co-authored-by: Cursor <cursoragent@cursor.com>

.drone.yml

@@ -47,8 +47,8 @@ steps:
       - corepack enable
       - corepack prepare pnpm@9 --activate
       - cd mobile
-      - pnpm config set registry https://registry.npmmirror.com
-      - pnpm install --frozen-lockfile
+      # 勿 pnpm config set：本目录 pnpm-workspace.yaml 无 packages 字段会报错
+      - pnpm install --frozen-lockfile --registry https://registry.npmmirror.com
       - pnpm run build
       - test -d dist/build/h5
       - tar -C dist/build/h5 -czf "/hzdyjs-releases/${DRONE_TAG}/mobile-h5-${DRONE_TAG}.tar.gz" .