Upgrade Almalinux to 9.1

Change-Id: I452e4707aa323c0096ac31584db9c453c1426175
diff --git a/almalinux/9/Dockerfile b/almalinux/9/Dockerfile
index 4c1bd7f..53bbafc 100644
--- a/almalinux/9/Dockerfile
+++ b/almalinux/9/Dockerfile
@@ -1,4 +1,4 @@
-FROM almalinux:9.0
+FROM almalinux:9.1
 MAINTAINER Gerrit Code Review Community
 
 # Add Gerrit packages repository
diff --git a/almalinux/9/Dockerfile-dev b/almalinux/9/Dockerfile-dev
index a8dda99..b928505 100644
--- a/almalinux/9/Dockerfile-dev
+++ b/almalinux/9/Dockerfile-dev
@@ -1,4 +1,4 @@
-FROM almalinux:9.0
+FROM almalinux:9.1
 MAINTAINER Gerrit Code Review Community
 
 ARG GERRIT_WAR_URL="https://gerrit-ci.gerritforge.com/view/Gerrit/job/Gerrit-bazel-master/lastSuccessfulBuild/artifact/gerrit/bazel-bin/release.war"