Merge branch 'pb-load-environment-for-db-rake-tasks' into 'master'

Load env for `gitlab:db:create_dynamic_partitions`

See merge request gitlab-org/gitlab!65087

lib/tasks/gitlab/db.rake

@@ -114,7 +114,7 @@ namespace :gitlab do
     end
 
     desc 'Create missing dynamic database partitions'
-    task :create_dynamic_partitions do
+    task create_dynamic_partitions: :environment do
       Gitlab::Database::Partitioning::PartitionCreator.new.create_partitions
     end