turn back old ubuntu to build

Author: patapenka-alexey

.github/workflows/packing.yml

@@ -471,10 +471,10 @@ jobs:
         #   dist: bullseye # 11
         - os: debian
           dist: bookworm # 12
-        # - os: ubuntu
-        #   dist: focal # 20.04
-        # - os: ubuntu
-        #   dist: jammy # 22.04
+        - os: ubuntu
+          dist: focal # 20.04
+        - os: ubuntu
+          dist: jammy # 22.04
         - os: ubuntu
           dist: noble # 24.04