Update dependency @tryghost/helpers to v1.1.77

Author: renovate[bot]

yarn.lock

@@ -342,9 +342,9 @@
     axios "^0.21.1"
 
 "@tryghost/helpers@^1.1.6":
-  version "1.1.52"
-  resolved "https://registry.yarnpkg.com/@tryghost/helpers/-/helpers-1.1.52.tgz#e30bd367ea62d1b27e59abfa8e8ed8c3e072b74e"
-  integrity sha512-9RFj49Wleb5SNhjxcg/eEscJv6tkrwW356vS+/QRUaGRGwd2DYPm+jejMI3OTOyANDbK+ZtpYH8crCJefg9jBA==
+  version "1.1.77"
+  resolved "https://registry.yarnpkg.com/@tryghost/helpers/-/helpers-1.1.77.tgz#5a8e14f56a22118ed4423bf44696890651590d65"
+  integrity sha512-YFLvM8B1x66hKA3XrL3AtN9fakVcFIwykISNKqEru601vZKPOI+n8WK8o2MMMD7yhRt5Xq97w+YUoXHsaDcPOg==
   dependencies:
     lodash-es "^4.17.11"