Lock Python versions

Lock Python versions down to patch versions 3.11.9 and 3.12.3 for mise
and the code_quality GitHub workflow.

Have nox use versions locked to minor versions 3.11 and 3.12 so that it
will use the latest matching version that is installed.

Close #138.

.github/workflows/code_quality.yml

@@ -10,7 +10,7 @@ jobs:
   nox:
     strategy:
       matrix:
-        python_version: ["3.11.8", "3.12.2"]
+        python_version: ["3.11.9", "3.12.3"]
         nox_session: [tests, basics, examples]
         os: [ubuntu-latest, macos-latest, macos-14]
         install_uv: [0, 1]
@@ -36,7 +36,7 @@ jobs:
   pyright_and_ruff:
     strategy:
       matrix:
-        python_version: ["3.11.8", "3.12.2"]
+        python_version: ["3.11.9", "3.12.3"]
     runs-on: "ubuntu-latest"
     steps:
       - uses: actions/checkout@v4

.mise.toml

@@ -2,4 +2,4 @@
 python_compile = true
 
 [tools]
-python = ["3.12.2", "3.11.8"]
+python = ["3.12.3", "3.11.9"]

noxfile.py

@@ -3,7 +3,7 @@
 nox.options.error_on_external_run = True
 nox.options.stop_on_first_error
 
-python_versions = ["3.11.8", "3.12.2"]
+python_versions = ["3.11", "3.12"]
 
 
 @nox.session(python=python_versions)