add test run for python 3.13

.gitlab-ci.yml

@@ -58,6 +58,8 @@ test:
         IMAGE: python:3.11
       - SCENARIO: mpl_38_py312
         IMAGE: python:3.12
+      - SCENARIO: mpl_39_py313
+        IMAGE: python:3.13
       # matplotlib scenarios
       - SCENARIO: mpl_35_py39
         IMAGE: python:3.9

ci/matrix/mpl_39_py313/Pipfile

+# SPDX-FileCopyrightText: 2021-2024 Helmholtz-Zentrum hereon GmbH
+#
+# SPDX-License-Identifier: CC0-1.0
+
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+psy-simple = {extras = ["testsite"], file = "../../.."}
+psyplot = {ref = "develop", git = "git+https://codebase.helmholtz.cloud/psyplot/psyplot.git"}
+psyplot-gui = {ref = "develop", git = "git+https://codebase.helmholtz.cloud/psyplot/psyplot-gui.git"}
+PyQt5 = {version="*"}
+PyQtWebEngine = {version="*"}
+matplotlib = "3.9.*"
+
+[dev-packages]
+
+[pipenv]
+allow_prereleases = true
+
+[requires]
+python_version = "3.13"