Fix CI deployments (loosen pip requirements & remove unnecessary pip install) (#1127)

Author: wwwillchen

.github/workflows/ci.yml

@@ -176,7 +176,6 @@ jobs:
           path: .cache
           restore-keys: |
             showcase-
-      - run: pip install -r ai/docbot/requirements.txt
       - run: |
           git config user.name github-actions[bot]
           git config user.email github-actions[bot]@users.noreply.github.com

ai/docbot/requirements.txt

@@ -370,5 +370,3 @@ wrapt==1.16.0
     # via
     #   deprecated
     #   llama-index-core
-yarl==1.9.4
-    # via aiohttp