Iterating on pdm venv setup

Author: offbyone

.github/workflows/main.yml

@@ -22,11 +22,14 @@ jobs:
           persist-credentials: false
       - name: Install pdm
         uses: pdm-project/setup-pdm@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: true
+          cache-dependency-path: ./pyproject.toml
 
       - name: Install dependencies
         run: |
-          pdm venv create
-          pdm sync --only-keep --dev
+          pdm install
 
       - name: Run tests
         run: pdm run invoke tests
@@ -47,11 +50,12 @@ jobs:
 
       - name: Install pdm
         uses: pdm-project/setup-pdm@v4
+        with:
+          python-version: "3.10"
 
       - name: Install dependencies
         run: |
-          pdm venv create
-          pdm sync --only-keep --dev
+          pdm install
 
       - name: Run linters
         run: pdm run invoke lint --diff