ci: Add Github actions tox workflow

(from PR #1)

Co-authored-by: Vytautas Liuolia <vytautas.liuolia@gmail.com>

Author: jaens

.github/workflows/tox.yaml

@@ -0,0 +1,53 @@
+# Run various tox environments.
+name: tox
+
+on:
+  push:
+    branches:
+      - "*"
+  pull_request:
+    branches:
+      - develop
+
+jobs:
+  run-tox:
+    name: tox -e ${{ matrix.tox.env }}
+    runs-on: "ubuntu-latest"
+    strategy:
+      fail-fast: false
+      matrix:
+        default-os:
+          - "ubuntu-latest"
+        tox:
+          - env: py310-marshmallow3
+            python-version: "3.10"
+          - env: py311-marshmallow3
+            python-version: "3.11"
+          - env: py312-marshmallow3
+            python-version: "3.12"
+          - env: py313-marshmallow3
+            python-version: "3.13"
+          - env: py314-marshmallow3
+            python-version: "3.14"
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.tox.python-version }}
+          cache: "pip"
+
+      - name: Install Python dependencies
+        run: |
+          python --version
+          pip --version
+          pip install tox
+          tox --version
+
+      - name: Run tox
+        run: tox -e ${{ matrix.tox.env }}

tox.ini

@@ -5,7 +5,7 @@ envlist=py{35,36,37,38,py3}-marshmallow{2,3}, cython-marshmallow{2,3}
 deps=
     -rrequirements/build_common.txt
     marshmallow2: marshmallow <3.0
-    marshmallow3: marshmallow==3.0.0rc6
+    marshmallow3: marshmallow==3.26.1
 
 whitelist_externals=flake8
 commands=py.test --durations 3 --cov-report html --cov hug -n auto tests