Core: purge py3.8 and py3.9 (#3973)

Co-authored-by: Remy Jette <remy@remyjette.com>
Co-authored-by: Jouramie <16137441+Jouramie@users.noreply.github.com>
Co-authored-by: Aaron Wagener <mmmcheese158@gmail.com>

.github/workflows/analyze-modified-files.yml

@@ -53,7 +53,7 @@ jobs:
       - uses: actions/setup-python@v5
         if: env.diff != ''
         with:
-          python-version: 3.8
+          python-version: '3.10'
 
       - name: "Install dependencies"
         if: env.diff != ''

.github/workflows/build.yml

@@ -24,14 +24,14 @@ env:
 jobs:
   # build-release-macos: # LF volunteer
 
-  build-win-py38: # RCs will still be built and signed by hand
+  build-win-py310: # RCs will still be built and signed by hand
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v4
       - name: Install python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.8'
+          python-version: '3.10'
       - name: Download run-time dependencies
         run: |
           Invoke-WebRequest -Uri https://github.com/Ijwu/Enemizer/releases/download/${Env:ENEMIZER_VERSION}/win-x64.zip -OutFile enemizer.zip

.github/workflows/unittests.yml

@@ -33,13 +33,11 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         python:
-          - {version: '3.8'}
-          - {version: '3.9'}
           - {version: '3.10'}
           - {version: '3.11'}
           - {version: '3.12'}
         include:
-          - python: {version: '3.8'}  # win7 compat
+          - python: {version: '3.10'}  # old compat
             os: windows-latest
           - python: {version: '3.12'}  # current
             os: windows-latest