dbeaver/dbeaver-devops#2023 add forgotten \

Author: flambchap

prepare-custom-p2/action.yml

@@ -36,7 +36,7 @@ runs:
         fi
         http_status=$(curl -s -o /dev/null -w "%{http_code}" \
             -H "Accept: application/vnd.github.v3+json" \
-            "$AUTH_HEADER"
+            "$AUTH_HEADER" \
             "https://api.github.com/repos/$GITHUB_REPOSITORY_OWNER/$REPO/branches/$uri_encoded_branch_name")
         echo "httpstatus=$http_status"
         if [ "$http_status" = '200' ]; then