main.yaml: use actions/setup-python@v6 to run Python 3.14

Also update actions/checkout to @v5

Author: tripleee

.github/workflows/main.yml

@@ -1,10 +1,5 @@
-# This is a basic workflow to help you get started with Actions
-
 name: CI
-
-# Controls when the action will run. 
 on:
-  # Triggers the workflow on push or pull request events but only for the master branch
   push:
     branches: [ master ]
   pull_request:
@@ -13,19 +8,16 @@ on:
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
-  # This workflow contains a single job called "build"
   build:
-    # The type of runner that the job will run on
     runs-on: ubuntu-latest
 
-    # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6
+        with:
+	  python-version: '3.14'
 
-      # Runs a set of commands using the runners shell
       - name: Update index.html and push to repo
         run: |
           git config --local user.email "$(git log --format='%ae' HEAD^!)"