chore: officially support Python 3.14; run simplified CI on 3.14 (#662)

* chore: also test Python 3.14

* upgrade CI to 3.14

---------

Co-authored-by: Konstantin <[email protected]>

Author: hf-kklein

.github/workflows/black.yml

@@ -3,11 +3,10 @@ name: "Formatting"
 on: [push]
 jobs:
   black:
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.13"]
-        os: [ubuntu-latest]
+        python-version: ["3.14"]
         tool: ["black", "isort"]
     steps:
       - uses: actions/checkout@v5

.github/workflows/coverage.yml

@@ -3,17 +3,13 @@ name: "Coverage"
 on: [push]
 jobs:
   coverage:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        python-version: ["3.13"]
-        os: [ubuntu-latest]
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - name: Set up Python ${{ matrix.python-version }}
+      - name: Set up Python
         uses: actions/setup-python@v6
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: 3.14
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip

.github/workflows/packaging_test.yml

@@ -3,17 +3,13 @@ name: "Packaging Test"
 on: [pull_request]
 jobs:
   coverage:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        python-version: ["3.13"]
-        os: [ubuntu-latest]
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - name: Set up Python ${{ matrix.python-version }}
+      - name: Set up Python
         uses: actions/setup-python@v6
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: 3.14
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip

.github/workflows/python-publish.yml

@@ -14,17 +14,13 @@ on:
 jobs:
    tests:
      if: startsWith(github.ref, 'refs/tags/v')
-     runs-on: ${{ matrix.os }}
-     strategy:
-       matrix:
-         python-version: ["3.13"]
-         os: [ubuntu-latest]
+     runs-on: ubuntu-latest
      steps:
        - uses: actions/checkout@v5
-       - name: Set up Python ${{ matrix.python-version }}
+       - name: Set up Python
          uses: actions/setup-python@v6
          with:
-           python-version: ${{ matrix.python-version }}
+           python-version: 3.14
        - name: Install tox
          run: |
            python -m pip install --upgrade pip
@@ -48,7 +44,7 @@ jobs:
        - name: Set up Python
          uses: actions/setup-python@v6
          with:
-           python-version: ${{ matrix.python-version }}
+           python-version: 3.14
        - name: Install dependencies
          run: |
            python -m pip install --upgrade pip

.github/workflows/pythonlint.yml

@@ -4,18 +4,16 @@ on: [push]
 jobs:
   pylint:
     name: Python Code Quality and Lint
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.13"]
-        os: [ubuntu-latest]
         linter-env: ["linting", "type_check"]
     steps:
       - uses: actions/checkout@v5
-      - name: Set up Python ${{ matrix.python-version }}
+      - name: Set up Python
         uses: actions/setup-python@v6
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: 3.14
       - name: Install Dependencies
         run: |
           python -m pip install --upgrade pip

.github/workflows/unittests.yml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.9, "3.10", "3.11", "3.12", "3.13"]
+        python-version: [3.9, "3.10", "3.11", "3.12", "3.13", "3.14"]
         os: [ubuntu-latest]
     steps:
       - uses: actions/checkout@v5