ci: platform ubuntu-20.04 -> ubuntu-22.04

Author: YangSen-qn

.github/workflows/ci-test.yml

@@ -7,7 +7,7 @@ jobs:
       max-parallel: 1
       matrix:
         python_version: ['2.7', '3.4', '3.5', '3.6', '3.7', '3.8', '3.9']
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout repo
         uses: actions/checkout@v2