deprecate python 3.8

Author: csernazs

.github/workflows/ci.yml

@@ -38,13 +38,13 @@ jobs:
     name: Test with python ${{ matrix.python-version }} / ${{ matrix.os-version }}
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13-dev"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         os-version: ["ubuntu-latest", "windows-latest"]
         exclude:
           - os-version: windows-latest
         include:
           - os-version: windows-latest
-            python-version: 3.12
+            python-version: 3.13
 
     runs-on: ${{ matrix.os-version }}
 
@@ -93,7 +93,7 @@ jobs:
         uses: ./.github/actions/setup
         with:
           type: doc
-          python-version: "3.12"
+          python-version: "3.13"
           poetry-version: ${{ env.POETRY_VERSION }}
 
       - name: Test

pyproject.toml

@@ -24,7 +24,7 @@ include = [
 ]
 
 [tool.poetry.dependencies]
-python = ">=3.8"
+python = ">=3.9"
 Werkzeug = ">= 2.0.0"
 
 
@@ -137,5 +137,5 @@ lint.ignore = [
   "UP032",
 ]
 line-length = 120
-target-version = "py38"
+target-version = "py39"
 exclude = ["doc", "example*.py", "tests/examples/*.py"]

releasenotes/notes/python-38-deprecation-48b0c8be245f63d1.yaml

@@ -0,0 +1,5 @@
+---
+deprecations:
+  - |
+    Python versions earlier than 3.9 have been deprecated in order to make the
+    code more type safe. Python 3.8 has reached EOL on 2024-10-07.