switch to python 3.12

.github/workflows/pythonpackage-windows.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        python-version: ['3.10', '3.11']
+        python-version: ['3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v4

.github/workflows/pythonpackage.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v4

.readthedocs.yml

@@ -5,7 +5,7 @@ formats:
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.11"
+    python: "3.12"
   apt_packages:
     - graphviz
     - libenchant-2-2

setup.cfg

@@ -22,6 +22,7 @@ classifiers =
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
     Programming Language :: Python :: Implementation :: CPython
     Topic :: Software Development :: Libraries :: Python Modules
     Topic :: Office/Business :: Financial :: Point-Of-Sale