QA-214: Package 'latest' Mender client debian package by default

The 'latest' tag is always pointing to the latest released Mender-client.
Therefore it is no longer necessary to update the client version on release.

Changelog: Package latest released Mender-client by default

Signed-off-by: Ole Petter <ole.orhagen@northern.tech>
(cherry picked from commit b5caf4b07f)

.gitlab-ci.yml

@@ -5,7 +5,7 @@ variables:
   # These variables are present elsewhere in the repository too. Make sure to
   # search for and change them too.
   MENDER_ARTIFACT_VERSION: 3.4.0
-  MENDER_CLIENT_VERSION: 2.4.1
+  MENDER_CLIENT_VERSION: latest
   # Make sure to update the link in mender-docs to the new one when changing
   # this.
   RASPBIAN_URL: http://downloads.raspberrypi.org/raspios_lite_armhf/images/raspios_lite_armhf-2020-05-28/2020-05-27-raspios-buster-lite-armhf.zip

configs/mender_convert_config

@@ -111,7 +111,7 @@ MENDER_PARTITION_ALIGNMENT="8388608"
 # Mender client version
 #
 # This is used to fetch the correct binaries
-MENDER_CLIENT_VERSION="2.4.1"
+MENDER_CLIENT_VERSION="latest"
 
 # File storage, containing binary files, do not modify this unless you know
 # what you are doing.