build(python): drop 3.8 and PyPy 3.9; add 3.13

.github/workflows/ci.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "pypy3.10"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "pypy3.10"]
         os: ["macos-latest", "ubuntu-latest", "windows-latest"]
     steps:
       - name: 'Disable `autocrlf` in Git'

pyproject.toml

@@ -35,7 +35,7 @@ include = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.9"
 
 cbor2 = "^5.6"
 "ruamel.yaml" = "^0.18.0"
@@ -123,11 +123,11 @@ cmd = "pyright ${PYTHON_SOURCES}"
 help = "Run Pyright"
 
 [tool.pyright]
-pythonVersion = "3.8"
+pythonVersion = "3.9"
 
 [tool.ruff]
 src = ["src", "tests"]
-target-version = "py38"
+target-version = "py39"
 
 [tool.ruff.lint]
 select = [

tox.ini

@@ -3,7 +3,7 @@ isolated_build = true
 requires =
     tox>=4
 env_list =
-    py{38,39,310,311,312},pypy{39,310}
+    py{39,310,311,312,313},pypy{310}
 
 [testenv]
 description = run tests