Fix CI

Author: psiinon

.github/workflows/ci.yml

@@ -5,6 +5,7 @@ on:
     branches:
       - main
   pull_request:
+  workflow_dispatch:
 
 jobs:
   build:
@@ -21,6 +22,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - run: |
         python -m pip install --upgrade pip
+        pip install setuptools
         pipx install poetry==1.7.0
     - run: poetry install
     - run: poetry run pylama