Remove support for Python 3.7; test support for 3.12 and 3.13

Author: RalfG

.github/workflows/test.yml

@@ -46,7 +46,7 @@ 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", "3.13"]
     steps:
       - uses: actions/checkout@v4
 

pyproject.toml

@@ -18,7 +18,7 @@ classifiers = [
     "Development Status :: 4 - Beta",
 ]
 dynamic = ["version"]
-requires-python = ">=3.7"
+requires-python = ">=3.8"
 dependencies = [
     "click",
     "lxml",
@@ -71,8 +71,8 @@ profile = "black"
 
 [tool.black]
 line-length = 99
-target-version = ['py37']
+target-version = ['py38']
 
 [tool.ruff]
 line-length = 99
-target-version = "py37"
+target-version = "py38"