Add support for Python 3.15

Author: ulgens

.github/workflows/main.yml

@@ -26,6 +26,7 @@ jobs:
           - '3.12'
           - '3.13'
           - '3.14'
+          - '3.15'
 
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
@@ -36,7 +37,7 @@ jobs:
           enable-cache: true
           python-version: ${{ matrix.python-version }}
           activate-environment: true
-          # TODO: Do we need `allow-prereleases: true`?
+          # allow-prereleases: true
 
       - name: Install test dependencies
         run: uv sync --group test --frozen

pyproject.toml

@@ -29,6 +29,7 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
+    "Programming Language :: Python :: 3.15",
     "Typing :: Typed",
 ]
 dependencies = [
@@ -53,7 +54,7 @@ test = [
 ]
 
 [tool.pyproject-fmt]
-max_supported_python = "3.14"
+max_supported_python = "3.15"
 
 [tool.pytest.ini_options]
 addopts = """\