Update ci config through github ui

Author: meyt

.github/workflows/main.yaml

@@ -1,21 +1,19 @@
 name: build
 
-
 on:
   push:
     branches: [master]
   pull_request:
     branches: [master]
 
-
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: '3.8'
 
       - name: Install
         run: |