Add support for python 3.15

Author: gaborbernat

.github/workflows/check.yaml

@@ -22,6 +22,7 @@ jobs:
       fail-fast: false
       matrix:
         env:
+          - "3.15"
           - "3.14"
           - "3.13"
           - "3.12"

tox.toml

@@ -1,5 +1,5 @@
 requires = [ "tox>=4.34.1", "tox-uv>=1.29" ]
-env_list = [ "3.14", "3.13", "3.12", "3.11", "3.10", "3.9", "3.8", "fix", "pkg_meta", "type" ]
+env_list = [ "3.15", "3.14", "3.13", "3.12", "3.11", "3.10", "3.9", "3.8", "fix", "pkg_meta", "type" ]
 skip_missing_interpreters = true
 
 [env_run_base]