Remove testing on Python 3.15-dev

Author: tleonhardt

.github/workflows/test.yaml

@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          ["3.10", "3.11", "3.12", "3.13", "3.14", "3.14t", "3.15-dev"]
+          ["3.10", "3.11", "3.12", "3.13", "3.14", "3.14t"]
 
     steps:
       - uses: actions/checkout@v6.0.2

pyproject.toml

@@ -15,7 +15,6 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
-    "Programming Language :: Python :: 3.15",
     "Programming Language :: Python :: 3 :: Only",
     "Programming Language :: Python :: Free Threading :: 3 - Stable",
     "Programming Language :: Python",