Update CI.

Author: Anteru

.github/workflows/build.yml

@@ -1,5 +1,5 @@
 name: Build
-on: 
+on:
   push:
     branches:
       - master
@@ -14,14 +14,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8]
+        python-version: [3.9, 3.10, 3.11, 3.12, 3.13, 3.14]
         os: [macOS-latest, ubuntu-latest, windows-latest]
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
       - name: Set Up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install