Merge changes If8642920,I87112768

* changes:
  Adapt tests to Gerrit 3.6
  Update alpine to 3.16.1
diff --git a/container-images/base/Dockerfile b/container-images/base/Dockerfile
index 2d819ea..76ea32e 100644
--- a/container-images/base/Dockerfile
+++ b/container-images/base/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.10.0
+FROM alpine:3.16.1
 
 ENV LC_ALL=C.UTF-8
 ENV LANG=C.UTF-8
diff --git a/tests/helm-charts/gerrit/test_chart_gerrit_plugins.py b/tests/helm-charts/gerrit/test_chart_gerrit_plugins.py
index 9e8c58c..4f57124 100644
--- a/tests/helm-charts/gerrit/test_chart_gerrit_plugins.py
+++ b/tests/helm-charts/gerrit/test_chart_gerrit_plugins.py
@@ -23,8 +23,8 @@
 
 from kubernetes import client
 
-PLUGINS = ["reviewers", "account"]
-GERRIT_VERSION = "3.5"
+PLUGINS = ["code-owners", "account"]
+GERRIT_VERSION = "3.6"
 
 
 @pytest.fixture(scope="module")