Bump default Gerrit version to 3.0.3

Change-Id: I288d5fcd8146e998f8fb85a27b49456e0c9efaef
diff --git a/container-images/gerrit-base/Dockerfile b/container-images/gerrit-base/Dockerfile
index f2195a3..ec61049 100644
--- a/container-images/gerrit-base/Dockerfile
+++ b/container-images/gerrit-base/Dockerfile
@@ -11,7 +11,7 @@
     mkdir -p /var/war
 
 # Download Gerrit release
-ARG GERRIT_WAR_URL=https://gerrit-releases.storage.googleapis.com/gerrit-3.0.1.war
+ARG GERRIT_WAR_URL=https://gerrit-releases.storage.googleapis.com/gerrit-3.0.3.war
 RUN curl -k -o /var/war/gerrit.war ${GERRIT_WAR_URL} && \
     ln -s /var/war/gerrit.war /var/gerrit/bin/gerrit.war
 
diff --git a/helm-charts/gerrit-master/Chart.yaml b/helm-charts/gerrit-master/Chart.yaml
index 8217192..f41fa5e 100644
--- a/helm-charts/gerrit-master/Chart.yaml
+++ b/helm-charts/gerrit-master/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v1
-appVersion: 3.0.1
+appVersion: 3.0.3
 description: |-
     Gerrit is a free, web-based team code collaboration tool. Software developers
     in a team can review each other's modifications on their source code using
diff --git a/helm-charts/gerrit-slave/Chart.yaml b/helm-charts/gerrit-slave/Chart.yaml
index f85e02f..d4f202d 100644
--- a/helm-charts/gerrit-slave/Chart.yaml
+++ b/helm-charts/gerrit-slave/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v1
-appVersion: 3.0.1
+appVersion: 3.0.3
 description: |-
     The Gerrit slave serves as a read-only Gerrit instance to serve repositories
     that it receives from a Gerrit master instance via replication. It can be