Merge branch 'change-clusters-helm-major-version-default-to-3' into 'master'

Change clusters.helm_major_version default to 3

See merge request gitlab-org/gitlab!50399

changelogs/unreleased/change-clusters-helm-major-version-default-to-3.yml

+---
+title: Change clusters.helm_major_version default to 3
+merge_request: 50399
+author:
+type: changed

db/migrate/20201221213415_change_clusters_helm_major_version_default_to_3.rb

+# frozen_string_literal: true
+
+class ChangeClustersHelmMajorVersionDefaultTo3 < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    change_column_default(:clusters, :helm_major_version, from: 2, to: 3)
+  end
+end

db/schema_migrations/20201221213415

+8c123da6a380524c7269ffc67ea0e533a415d3c6eddf96cee4025ea152fc7582
\ No newline at end of file

db/structure.sql

@@ -11128,7 +11128,7 @@ CREATE TABLE clusters (
     management_project_id integer,
     cleanup_status smallint DEFAULT 1 NOT NULL,
     cleanup_status_reason text,
-    helm_major_version integer DEFAULT 2 NOT NULL
+    helm_major_version integer DEFAULT 3 NOT NULL
 );
 
 CREATE TABLE clusters_applications_cert_managers (