fix: Add support for installing mender client for ubuntu jammy conversions

Ubuntu Jammy mender-client deb packages are available upstream, without
this update mender-convert fails to find upstream client deb package
to install when converting a ubuntu jammy disk image.

Changelog: Added support for installing mender client for ubuntu jammy conversions
Ticket: #MEN-6306

Signed-off-by: Dell Green <dell.green@ideaworks.co.uk>

configs/mender_convert_config

@@ -155,7 +155,7 @@ MENDER_APT_REPO_URL="${MENDER_STORAGE_URL}/repos/debian"
 
 # Mender APT repo available distributions, do not modify this unless you know
 # what you are doing.
-MENDER_APT_REPO_DISTS="debian/buster debian/bullseye ubuntu/bionic ubuntu/focal"
+MENDER_APT_REPO_DISTS="debian/buster debian/bullseye ubuntu/bionic ubuntu/focal ubuntu/jammy"
 
 # Mender GitHub organization URL prefix
 MENDER_GITHUB_ORG="https://github.com/mendersoftware"