Update dependency @tryghost/admin-api to v1.13.6

Author: renovate[bot]

yarn.lock

@@ -336,9 +336,9 @@
   integrity sha512-sXXKG+uL9IrKqViTtao2Ws6dy0znu9sOaP1di/jKGW1M6VssO8vlpXCQcpZ+jisQ1tTFAC5Jo/EOzFbggBagFQ==
 
 "@tryghost/admin-api@^1.7.0":
-  version "1.13.4"
-  resolved "https://registry.yarnpkg.com/@tryghost/admin-api/-/admin-api-1.13.4.tgz#8a0a174db49d530b45169dab24f97ab15414f3c3"
-  integrity sha512-ibcn/TwetaDtIfj7tz3gnhiH9bPrItDtIrbHdYknwF6mjxL9mQ1bLYSkZ0f+y8za9MjHjdX7Opqdi1SgUWpM5w==
+  version "1.13.6"
+  resolved "https://registry.yarnpkg.com/@tryghost/admin-api/-/admin-api-1.13.6.tgz#5f1a9819a4068f3675beb0c7b170a266e1219240"
+  integrity sha512-HIJMRIwZnoUYbZTm57E+/swXMOsBJ4r2Djtu1qzAvJhaLxBgnhnoZvNREwq+1eFgx+AfMO8UX1WvVF0ltq+FSw==
   dependencies:
     axios "^0.27.0"
     form-data "^4.0.0"