Add ubuntu 22.04 to dcv connect script and mysql client install check (#2407)

Author: dreambeyondorange

cookbooks/aws-parallelcluster-platform/files/dcv/pcluster_dcv_connect.sh

@@ -112,7 +112,7 @@ main() {
     os=$(< /etc/chef/dna.json jq -r .cluster.base_os)
     _log "Input parameters: user: ${user}, OS: ${os}, shared_folder_path: ${shared_folder_path}."
 
-    if ! [[ "${os}" =~ ^(alinux2|ubuntu2004|centos[7-8]|rhel8)$ ]]; then
+    if ! [[ "${os}" =~ ^(alinux2|ubuntu2004|ubuntu2204|centos[7-8]|rhel8)$ ]]; then
         _fail "OS not supported."
     fi
 

cookbooks/aws-parallelcluster-slurm/test/controls/mysql_client_spec.rb

@@ -16,7 +16,7 @@
   if os.redhat?
     mysql_packages.concat %w(mysql-community-client-plugins mysql-community-common
        mysql-community-devel mysql-community-libs mysql-community-libs-compat)
-  elsif os_properties.ubuntu2004?
+  elsif os_properties.ubuntu2004? || os_properties.ubuntu2204?
     mysql_packages.concat %w(libmysqlclient-dev libmysqlclient21)
   else
     describe "unsupported OS" do