build(deps): bump mixin-deep from 1.3.1 to 1.3.2

Bumps [mixin-deep](https://github.com/jonschlinkert/mixin-deep) from 1.3.1 to 1.3.2.
- [Release notes](https://github.com/jonschlinkert/mixin-deep/releases)
- [Commits](jonschlinkert/mixin-deep@1.3.1...1.3.2)

Signed-off-by: dependabot[bot] <support@github.com>

yarn.lock

@@ -1146,13 +1146,13 @@
     swagger-parser "^8.0.0"
 
 "@slushy/example@file:example":
-  version "0.22.18"
+  version "0.22.19"
   dependencies:
     "@slushy/codegen" "file:codegen"
     "@slushy/server" "file:server"
 
 "@slushy/server@file:server":
-  version "0.22.16"
+  version "0.22.19"
   dependencies:
     ajv "^6.10.0"
     body-parser "^1.19.0"
@@ -3003,6 +3003,7 @@ flush-write-stream@^1.0.0:
 for-in@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
+  integrity sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=
 
 forever-agent@~0.6.1:
   version "0.6.1"
@@ -3694,6 +3695,7 @@ is-extendable@^0.1.0, is-extendable@^0.1.1:
 is-extendable@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-1.0.1.tgz#a7470f9e426733d81bd81e1155264e3a3507cab4"
+  integrity sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==
   dependencies:
     is-plain-object "^2.0.4"
 
@@ -3776,6 +3778,7 @@ is-plain-obj@^1.0.0, is-plain-obj@^1.1.0:
 is-plain-object@^2.0.1, is-plain-object@^2.0.3, is-plain-object@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-2.0.4.tgz#2c163b3fafb1b606d9d17928f05c2a1c38e07677"
+  integrity sha512-h5PpgXkWitc38BBMYawTYMWJHFZJVnBquFE57xFpjB8pJFiF6gZ+bU+WyI/yqXiFR5mdLsgYNaPe8uao6Uv9Og==
   dependencies:
     isobject "^3.0.1"
 
@@ -3869,6 +3872,7 @@ isobject@^2.0.0:
 isobject@^3.0.0, isobject@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/isobject/-/isobject-3.0.1.tgz#4e431e92b11a9731636aa1f9c8d1ccbcfdab78df"
+  integrity sha1-TkMekrEalzFjaqH5yNHMvP2reN8=
 
 isobject@^4.0.0:
   version "4.0.0"
@@ -4884,8 +4888,9 @@ mississippi@^3.0.0:
     through2 "^2.0.0"
 
 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"
+  integrity sha512-WRoDn//mXBiJ1H40rqa3vH0toePwSsGb45iInWlTySa+Uu4k3tYUSxa2v1KqAiLtvlrSzaExqS1gtk96A9zvEA==
   dependencies:
     for-in "^1.0.2"
     is-extendable "^1.0.1"