Add support for Python 3.15

Author: hugovk

.github/workflows/tests.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        branch: ["3.14", "3.13", "3.12"]
+        branch: ["origin/main", "3.14", "3.13", "3.12"]
     steps:
       - uses: actions/checkout@v5
       - uses: actions/setup-python@v6

pyproject.toml

@@ -22,6 +22,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Topic :: Documentation",
   "Topic :: Software Development :: Documentation",
 ]
@@ -70,4 +71,4 @@ lint.ignore = [
 lint.isort.required-imports = [ "from __future__ import annotations" ]
 
 [tool.pyproject-fmt]
-max_supported_python = "3.14"
+max_supported_python = "3.15"