Rename job to ailab and add pip mirror config with requirements install

.gitlab-ci.yml

@@ -82,9 +82,12 @@ deploy-prod:
   cache: []
   dependencies: []
 
-ailab-date:
+ailab:
   stage: ailab
   tags:
     - ailab
+  before_script:
+    - pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
+    - pip install -r requirements.txt
   script:
     - date