fix dependency name

Author: TovarischPootis

.github/workflows/ci.yml

@@ -26,5 +26,5 @@ jobs:
           restore-keys: |
             mkdocs-material-
       - run: pip install mkdocs-material
-      - run: pip install mkdocs-awesome-pages-plugin
+      - run: pip install mkdocs-awesome-nav
       - run: mkdocs gh-deploy --force