updated step to install python dependencies

Author: mmosarafO2

.github/workflows/deploy-docs.yaml

@@ -18,9 +18,9 @@ jobs:
       with:
         python-version: '3.10'
 
-    - name: Install MkDocs and Material theme
+    - name: Install Python dependencies
       run: |
-        pip install mkdocs mkdocs-material mkdocs-awesome-pages-plugin mkdocs-material-plausible-plugin
+        pip install -r requirements.txt
 
     - name: Install AWS CLI
       run: |