configure mypy for 3.12

Author: Phil Varner

.pre-commit-config.yaml

@@ -1,5 +1,3 @@
-default_language_version:
-    python: python3.12
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v5.0.0
@@ -21,6 +19,7 @@ repos:
     rev: v1.13.0
     hooks:
       - id: mypy
+        args: [--python-version=3.12]
         files: ".*\\.py$"
         additional_dependencies:
           - types-pyRFC3339~=1.1.1