hardcode 3.14 fewer times

Author: Martin Kirchgessner

.github/workflows/ci.yml

@@ -19,14 +19,17 @@ on:
 jobs:
   lint:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.14"]
     steps:
       - name: Checkout
         uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.14"
+          python-version: ${{ matrix.python-version }}
 
       - name: Install Poetry
         uses: snok/install-poetry@v1
@@ -38,7 +41,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: .venv
-          key: ${{ runner.os }}-python-3.14-poetry-${{ hashFiles('poetry.lock') }}
+          key: ${{ runner.os }}-python-${{ matrix.python-version }}-poetry-${{ hashFiles('poetry.lock') }}
 
       - name: Check for poetry file changes
         id: filter