ci: replace Ubuntu2004 by Ubuntu2204

appveyor.yml

@@ -37,7 +37,7 @@ for:
       only:
         - image: Ubuntu2204
     install:
-      - sudo apt-get update
+      #      - sudo apt-get update
       - sudo apt-get install -y build-essential cmake bison flex
     after_build:
       - cd $APPVEYOR_BUILD_FOLDER