ci: install project modules into venv

Author: seppzer0

.github/workflows/main.yml

@@ -41,7 +41,7 @@ jobs:
 
       - name: Activate .venv
         run: |
-          uv sync --frozen --no-install-project
+          uv sync --frozen
           . .venv/bin/activate
           echo PATH=${GITHUB_WORKSPACE}/.venv/bin:$PATH >> $GITHUB_ENV