update to ubuntu 22.04

Dockerfile

@@ -1,5 +1,5 @@
 # Pull base image.
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 
 ARG DEBIAN_FRONTEND=noninteractive
 ENV TZ=Europe/Paris
@@ -12,8 +12,8 @@ RUN \
 
 RUN \
   wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | gpg --dearmor - | tee /usr/share/keyrings/kitware-archive-keyring.gpg >/dev/null && \
-  echo 'deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ focal main' | tee /etc/apt/sources.list.d/kitware.list >/dev/null && \
-  apt-add-repository "deb https://apt.kitware.com/ubuntu/ focal main" && \
+  echo 'deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ jammy main' | tee /etc/apt/sources.list.d/kitware.list >/dev/null && \
+  apt-add-repository "deb https://apt.kitware.com/ubuntu/ jammy main" && \
   curl -sL https://deb.nodesource.com/setup_20.x | bash - && \
   curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg && \
   chmod go+r /usr/share/keyrings/githubcli-archive-keyring.gpg && \