Revert "Update dependency @tryghost/url-utils to v0.6.11"

This reverts commit 37e8951.

- the sub-dependency bump of `moment-timezone` caused another occurrence of #10870

# Conflicts:
#	package.json

package.json

@@ -45,7 +45,7 @@
     "@tryghost/members-ssr": "0.7.1",
     "@tryghost/social-urls": "0.1.4",
     "@tryghost/string": "^0.1.3",
-    "@tryghost/url-utils": "0.6.11",
+    "@tryghost/url-utils": "0.6.10",
     "@tryghost/vhost-middleware": "1.0.0",
     "ajv": "6.10.2",
     "amperize": "0.6.0",

yarn.lock

@@ -297,14 +297,14 @@
   dependencies:
     unidecode "^0.1.8"
 
-"@tryghost/url-utils@0.6.11":
-  version "0.6.11"
-  resolved "https://registry.yarnpkg.com/@tryghost/url-utils/-/url-utils-0.6.11.tgz#a1ca8f9da36b7bc542055e4390c9ae56d14f2b13"
-  integrity sha512-/v3LGOdQpU9NiiKRqwjBFr5Ni7hLHtk8xmSPOZJ7r9+ln9TbbSfAC6yLOPajygUJMm/u1r9lZwxn1cso3epvvg==
+"@tryghost/url-utils@0.6.10":
+  version "0.6.10"
+  resolved "https://registry.yarnpkg.com/@tryghost/url-utils/-/url-utils-0.6.10.tgz#8ab8cf4e4717b24835c5c9ea58a515cdb3b742e5"
+  integrity sha512-VHQh3QluR/46CNhIvF6E7GQvfh8UoOQZa4NeNlfrJILadrZQ1Cst8mnSyXIcNq/KBC8ULGDVlbYjfQVgrLeRPg==
   dependencies:
     cheerio "0.22.0"
     moment "2.24.0"
-    moment-timezone "0.5.27"
+    moment-timezone "0.5.23"
     remark "^11.0.1"
     unist-util-visit "^2.0.0"
 
@@ -5729,7 +5729,7 @@ module-not-found-error@^1.0.1:
   resolved "https://registry.yarnpkg.com/module-not-found-error/-/module-not-found-error-1.0.1.tgz#cf8b4ff4f29640674d6cdd02b0e3bc523c2bbdc0"
   integrity sha1-z4tP9PKWQGdNbN0CsOO8UjwrvcA=
 
-moment-timezone@0.5.23, moment-timezone@0.5.27:
+moment-timezone@0.5.23:
   version "0.5.23"
   resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.23.tgz#7cbb00db2c14c71b19303cb47b0fb0a6d8651463"
   integrity sha512-WHFH85DkCfiNMDX5D3X7hpNH3/PUhjTGcD0U1SgfBGZxJ3qUmJh5FdvaFjcClxOvB3rzdfj4oRffbI38jEnC1w==