vifib-upgrade: Install mosh package

Useful for unstable connection to some (distant) servers, also the package is available on chromebrew too.

PS: The package seems also to be available in almost all Linux distributions: https://pkgs.org/download/mosh

/reviewed-on nexedi/slapos.package!85

playbook/roles/vifib-upgrade/meta/main.yml

@@ -6,6 +6,7 @@ dependencies:
   - { role: package, package_name: openssl, package_state: latest }
   - { role: package, package_name: ca-certificates, package_state: latest }
   - { role: package, package_name: openssh-server, package_state: latest }
+  - { role: package, package_name: mosh, package_state: latest }
   - { role: package, package_name: strace, package_state: latest }
   - { role: package, package_name: htop, package_state: latest }
   - { role: package, package_name: ioping, package_state: latest }