Install ruff from pyproject.toml

Author: jelmer

.github/workflows/test.yml

@@ -33,9 +33,9 @@ jobs:
       - name: Install dependencies
         run: |
           python3 -m pip install --upgrade pip
-          python3 -m pip install --upgrade setuptools wheel setuptools_scm ruff
+          python3 -m pip install --upgrade setuptools wheel setuptools_scm
           python3 -m pip install sphinx
-          python3 -m pip install ".[test,twisted]"
+          python3 -m pip install ".[test,twisted,dev]"
 
       - name: Ruff
         run: |

pyproject.toml

@@ -60,6 +60,9 @@ testscenarios
 testresources"""
 twisted = """
 Twisted"""
+dev = """
+ruff==0.4.4
+"""
 
 [tool.files]
 packages = "testtools"