Fix bug 2234 - Change Juju version to 2.9.43

Change-Id: I09246f29aed329223950e41fdb777997f25db66e
Signed-off-by: Guillermo Calvino <guillermo.calvino@canonical.com>
diff --git a/installers/install_juju.sh b/installers/install_juju.sh
index a2d2dde..de6a068 100755
--- a/installers/install_juju.sh
+++ b/installers/install_juju.sh
@@ -124,7 +124,7 @@
 DEBUG_INSTALL=""
 INSTALL_CACHELXDIMAGES=""
 INSTALL_NOJUJU=""
-JUJU_AGENT_VERSION=2.9.29
+JUJU_AGENT_VERSION=2.9.43
 JUJU_VERSION=2.9
 OSM_DEVOPS=
 OSM_STACK_NAME=osm