Merge pull request #61 from OpenUK/dependabot/npm_and_yarn/plugins/problems/mixin-deep-1.3.2

Bump mixin-deep from 1.3.1 to 1.3.2 in /plugins/problems

Author: JohnMica

plugins/problems/yarn.lock

@@ -1639,8 +1639,8 @@ minimist@^1.1.0, minimist@^1.1.3:
   resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
 mixin-deep@^1.2.0:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.1.tgz#a49e7268dce1a0d9698e45326c5626df3543d0fe"
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.2.tgz#1120b43dc359a785dce65b55b82e257ccf479566"
   dependencies:
     for-in "^1.0.2"
     is-extendable "^1.0.1"