Update Gerrit to 3.9.4

Change-Id: I2605f8fe72a373d0765b604f938ea9af788ffbb9
diff --git a/container-images/gerrit-base/Dockerfile b/container-images/gerrit-base/Dockerfile
index 221d273..af480ae 100644
--- a/container-images/gerrit-base/Dockerfile
+++ b/container-images/gerrit-base/Dockerfile
@@ -15,7 +15,7 @@
     mkdir -p /var/war
 
 # Download Gerrit release
-ARG GERRIT_WAR_URL=https://gerrit-releases.storage.googleapis.com/gerrit-3.9.2.war
+ARG GERRIT_WAR_URL=https://gerrit-releases.storage.googleapis.com/gerrit-3.9.4.war
 RUN curl -f -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-replica/Chart.yaml b/helm-charts/gerrit-replica/Chart.yaml
index 5e05426..13f767a 100644
--- a/helm-charts/gerrit-replica/Chart.yaml
+++ b/helm-charts/gerrit-replica/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: 3.9.2
+appVersion: 3.9.4
 description: |-
     The Gerrit replica serves as a read-only Gerrit instance to serve repositories
     that it receives from a Gerrit instance via replication. It can be used to
diff --git a/helm-charts/gerrit/Chart.yaml b/helm-charts/gerrit/Chart.yaml
index e8ba3cd..0ebf4a9 100644
--- a/helm-charts/gerrit/Chart.yaml
+++ b/helm-charts/gerrit/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: 3.9.2
+appVersion: 3.9.4
 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