Fix release script

Author: thegridman

Makefile

@@ -841,7 +841,8 @@ serve-docs:
 release-ghpages: helm-chart docs
 	@echo "Releasing Helm chart $(VERSION_FULL)"
 	cp hack/docs-unstable-index.sh $(BUILD_OUTPUT)/docs-unstable-index.sh
-	git reset
+	git stash save --keep-index --include-untracked
+	git stash drop
 	git checkout gh-pages
 	git pull
 ifeq (true, $(PRE_RELEASE))