Use juju version 2.9.29

- Fix bug 2017

Change-Id: I122eaa9c2c82ddbe00ee529ac3944cc666dc4a52
Signed-off-by: David Garcia <david.garcia@canonical.com>
(cherry picked from commit 49a203d30b14d912fc641dd2ed3bf5e707348571)
diff --git a/installers/full_install_osm.sh b/installers/full_install_osm.sh
index f7a51d1..3fc3a15 100755
--- a/installers/full_install_osm.sh
+++ b/installers/full_install_osm.sh
@@ -873,7 +873,7 @@
 
 LXD_VERSION=4.0
 JUJU_VERSION=2.9
-JUJU_AGENT_VERSION=2.9.22
+JUJU_AGENT_VERSION=2.9.29
 UNINSTALL=""
 DEVELOP=""
 UPDATE=""