Set ssl cert for git in jenkins

Mount ssl certificate explicitly from host
as it is symlink

PROD-32061

Change-Id: Ia8bb686a6a95090485f8f971d5fb2eac332e96ba
(cherry picked from commit df8392a10edf602e867abaaaed33f919805a1bf5)
diff --git a/docker/swarm/stack/jenkins/master.yml b/docker/swarm/stack/jenkins/master.yml
index 6ec6afb..9f3f0c2 100644
--- a/docker/swarm/stack/jenkins/master.yml
+++ b/docker/swarm/stack/jenkins/master.yml
@@ -23,6 +23,7 @@
                 https_proxy: ${_param:docker_https_proxy}
                 http_proxy: ${_param:docker_http_proxy}
                 no_proxy: ${_param:docker_no_proxy}
+                GIT_SSL_CAINFO: /etc/ssl/certs/ca-${_param:salt_minion_ca_authority}.pem
               deploy:
                 restart_policy:
                   condition: any
@@ -33,3 +34,4 @@
               volumes:
                 - /srv/volumes/jenkins:/var/jenkins_home
                 - /etc/ssl/certs/java/cacerts:/etc/ssl/certs/java/cacerts:ro
+                - /etc/ssl/certs/ca-${_param:salt_minion_ca_authority}.pem:/etc/ssl/certs/ca-${_param:salt_minion_ca_authority}.pem:ro