Add gerrit download.scheme and download.command default values

Related: PROD-31172

Change-Id: I98ef3dab8eff43c8bb9085f9fce4521c95710bc1
diff --git a/defaults/gerrit/init.yml b/defaults/gerrit/init.yml
index b2c59e0..2fd1bd7 100644
--- a/defaults/gerrit/init.yml
+++ b/defaults/gerrit/init.yml
@@ -3,4 +3,13 @@
     gerrit_pipeline_library_repo: https://github.com/Mirantis/pipeline-library
     gerrit_mk_pipelines_repo: https://github.com/Mirantis/mk-pipelines
     gerrit_mcp_common_scripts_repo: https://github.com/Mirantis/mcp-common-scripts
+    gerrit_config_download_command:
+      - checkout
+      - cherry-pick
+      - pull
+      - format_patch
+    gerrit_config_download_scheme:
+      - http
+      - ssh
+      - anon_http