[ci] Fix pipeline error about team5 not found. (#2684)

Author: liushilongbuaa

.azure-pipelines/build-template.yml

@@ -66,6 +66,7 @@ jobs:
     clean: true
     submodules: true
   - script: |
+      sudo apt-get update
       sudo apt-get install -y libhiredis0.14 libhiredis-dev
       sudo apt-get install -y libzmq5 libzmq3-dev
       sudo apt-get install -qq -y \