Install dependencies in CI

Author: maxkapur

.github/workflows/test.yml

@@ -19,7 +19,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install dependencies
-        run: pip install requests ruff
+        run: pip install -r ./requirements.txt
 
       - name: Run script
         run: ./fetch_python_docs.py --systemd

requirements.txt

@@ -0,0 +1,3 @@
+send2trash
+requests
+ruff