ci: separate unit tests and cover Python 3.12 through 3.14

.github/workflows/ci.yml

@@ -19,3 +19,8 @@ jobs:
     needs: check_pr_status
     if: needs.check_pr_status.outputs.branch-pr == ''
     uses: ./.github/workflows/formatter.yml
+
+  unit_tests:
+    needs: check_pr_status
+    if: needs.check_pr_status.outputs.branch-pr == ''
+    uses: ./.github/workflows/unit_tests.yml

.github/workflows/formatter.yml

@@ -1,4 +1,4 @@
-name: Ruff and unit tests
+name: Ruff
 on: [workflow_call]
 jobs:
   Ruff:
@@ -14,18 +14,3 @@ jobs:
         run: ruff check .
       - name: Check formatting
         run: ruff format --check .
-  UnitTests:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        python-version: ["3.11", "3.14"]
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.python-version }}
-      - name: Install dependencies
-        run: python -m pip install -e '.[dev]'
-      - name: Run unit tests
-        run: python -m pytest --random-order -q test

.github/workflows/unit_tests.yml

@@ -0,0 +1,18 @@
+name: Unit tests
+on: [workflow_call]
+jobs:
+  UnitTests:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.12", "3.13", "3.14"]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: python -m pip install -e '.[dev]'
+      - name: Run unit tests
+        run: python -m pytest --random-order -q test

README.md

@@ -51,4 +51,4 @@ ruff format --check .
 python -m pytest --random-order -q test
 ```
 
-Unit tests run on Python 3.11 and 3.14. Other CI checks use Python 3.13.
+Unit tests run on Python 3.12, 3.13, and 3.14. Other CI checks use Python 3.13.