update workflow

Signed-off-by: Ashwin Vaidya <[email protected]>

Author: ashwinvaidya17

.github/workflows/docs.yml

@@ -1,14 +1,12 @@
 name: Build Docs
+permissions: read-all
 
 on:
   workflow_dispatch: # run on request (no need for PR)
   push:
     branches:
       - master
 
-# Declare default permissions as read only.
-permissions: read-all
-
 jobs:
   Build-Docs:
     runs-on: ubuntu-20.04
@@ -22,9 +20,7 @@ jobs:
         with:
           python-version: "3.10"
       - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r docs/requirements.txt
+        run: pip install 'model_api/python/.[docs]'
       - name: Install and Generate Doxygen
         uses: mattnotmitt/[email protected]
       - name: Build Docs