bump minimum Python version to 3.12, test on 3.13

- Update requires-python to >=3.12
- Update ruff target-version to py312
- Update CI matrix to test on Python 3.12 and 3.13
- Upgrade dependencies and remove Python <3.11 backports

Author: cdump

.github/workflows/tests.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.10', '3.11']
+        python-version: ['3.12', '3.13']
     steps:
     - uses: actions/checkout@v4
 

pyproject.toml

@@ -5,7 +5,7 @@ description = "Analysis of Interactive Brokers reports for tax reporting in Russ
 license = "MIT"
 authors = [{name = "Maxim Andreev", email = "andreevmaxim@gmail.com"}]
 readme = "README.md"
-requires-python = ">=3.10"
+requires-python = ">=3.12"
 classifiers = [
     "Development Status :: 3 - Alpha",
     "Environment :: Console",
@@ -45,7 +45,7 @@ build-backend = "hatchling.build"
 
 [tool.ruff]
 line-length = 200
-target-version = "py310"
+target-version = "py312"
 
 [tool.ruff.lint]
 extend-select = ["B", "Q"]