fix GH actions - Poetry: Don't install the current project

Author: ZelenyMartin

.github/workflows/main.yml

@@ -25,7 +25,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install poetry
-        poetry install -E ghp-compiled
+        poetry install -E ghp-compiled --no-root
     - name: Compile the courses
       run: |
           poetry run python -m naucse_render compile _compiled \