Upgrade Dockerfile to Ubuntu 22.04

oschuett · oschuett · commit dd79a2310ca1 · 2023-05-18T16:15:40.000+02:00
diff --git a/Dockerfile b/Dockerfile
@@ -8,7 +8,7 @@
 #
 #
 #
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 USER root
 
 # Install some Debian package
