Drop 3.7, add 3.12

.github/workflows/build.yml

@@ -39,11 +39,11 @@ jobs:
           - "ubuntu-22.04"
           - "windows-2022"
         wheel-selector:
-          - "cp37-*"
           - "cp38-*"
           - "cp39-*"
           - "cp310-*"
           - "cp311-*"
+          - "cp312-*"
           - "pp37-*"
           - "pp38-*"
           - "pp39-*"
@@ -57,7 +57,7 @@ jobs:
           fetch-depth: 0
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.11.3
+        uses: pypa/cibuildwheel@v2.16.2
         with:
           output-dir: wheelhouse
         env:

setup.cfg

@@ -8,7 +8,7 @@ author_email = [email protected]
 home_page = https://tahoe-lafs.org/trac/zfec
 license = GPL-2+
 python_requires =
-  >=3.7, <3.11
+  >=3.8, <3.13
 classifier =
   Development Status :: 5 - Production/Stable
   Environment :: Console