ST-1381 Switch base image from debian buster to ubuntu 22.04

README.md

@@ -15,8 +15,8 @@ tags updated.
 The release tags should match the underlying dependencies used where possible.
 
 - debian-buster-slim
-  - tango-dependencies/Dockerfile:FROM debian:buster-slim as buildenv
-  - tango-dependencies/Dockerfile:FROM debian:buster-slim
+  - tango-dependencies/Dockerfile:FROM ubuntu:22.04 as buildenv
+  - tango-dependencies/Dockerfile:FROM ubuntu:22.04
     - tango-java/Dockerfile:FROM {nexus}/tango-dependencies
         - tango-jive/Dockerfile:FROM {nexus}/tango-java
         - tango-pogo/Dockerfile:FROM {nexus}/tango-java
@@ -24,7 +24,7 @@ The release tags should match the underlying dependencies used where possible.
         - tango-rest/Dockerfile:FROM {nexus}/tango-java
         - tango-vnc/Dockerfile:FROM {nexus}/tango-java
     - tango-cpp/Dockerfile:FROM {nexus}/tango-dependencies as buildenv
-    - tango-cpp/Dockerfile:FROM debian:buster-slim
+    - tango-cpp/Dockerfile:FROM ubuntu:22.04
       - tango-libtango/Dockerfile:FROM {nexus}/tango-cpp
         - tango-admin/Dockerfile:FROM {nexus}/tango-libtango
         - tango-test/Dockerfile:FROM {nexus}/tango-libtango

images/ska-tango-images-tango-cpp/Dockerfile

@@ -5,7 +5,7 @@
 #
 ARG CAR_OCI_REGISTRY_HOST
 ARG BUILD_IMAGE="${CAR_OCI_REGISTRY_HOST}/ska-tango-images-tango-dependencies:9.3.5"
-ARG BASE_IMAGE="debian:buster-slim"
+ARG BASE_IMAGE="ubuntu:22.04"
 FROM $BUILD_IMAGE as buildenv
 
 ENV DEBIAN_FRONTEND=noninteractive

images/ska-tango-images-tango-dependencies/Dockerfile

@@ -3,7 +3,7 @@
 # intermediate image, then creates a release image containing the compiled
 # binaries.
 #
-ARG BASE_IMAGE="debian:buster-slim"
+ARG BASE_IMAGE="ubuntu:22.04"
 FROM $BASE_IMAGE as buildenv
 
 ENV ZEROMQ_DOWNLOAD_URL=https://github.com/zeromq/libzmq/archive/v4.3.4.tar.gz