Update dependency gatsby-plugin-zopfli to v1.2.1

Author: renovate-bot

package.json

@@ -42,7 +42,7 @@
     "gatsby-plugin-offline": "2.0.22",
     "gatsby-plugin-react-helmet": "3.0.5",
     "gatsby-plugin-sass": "2.0.8",
-    "gatsby-plugin-zopfli": "1.0.4",
+    "gatsby-plugin-zopfli": "1.2.1",
     "gatsby-remark-component": "1.1.3",
     "gatsby-remark-copy-linked-files": "2.0.8",
     "gatsby-remark-prismjs": "3.2.3",

yarn.lock

@@ -728,10 +728,10 @@
     lodash "^4.17.11"
     to-fast-properties "^2.0.0"
 
-"@gfx/zopfli@^1.0.10":
-  version "1.0.11"
-  resolved "https://registry.yarnpkg.com/@gfx/zopfli/-/zopfli-1.0.11.tgz#6ced06b4566a5feb0036fe6a1e0262ce6cb1d6c5"
-  integrity sha512-wW+hi+bqdYCpBIvL8g7RYub9YXf5crhZK9SNk/VZmbF177Em1VwFv488qyh8iBpCo6GptcP1Zam0bJfY3VmMbg==
+"@gfx/zopfli@^1.0.12":
+  version "1.0.13"
+  resolved "https://registry.yarnpkg.com/@gfx/zopfli/-/zopfli-1.0.13.tgz#88ca5b15567e9c76be73e8d11e166273ce44e0b3"
+  integrity sha512-pb+e68cuPRN348j6UeHvnR7vsZ0KMkQVUtRFqL4VaP3UlgNy/cAx2MsgVRerPAawRe9OoOrY/c7o2XDyU4RozQ==
   dependencies:
     base64-js "^1.3.0"
 
@@ -5004,12 +5004,14 @@ gatsby-plugin-sass@2.0.8:
     "@babel/runtime" "^7.0.0"
     sass-loader "^7.0.1"
 
-gatsby-plugin-zopfli@1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/gatsby-plugin-zopfli/-/gatsby-plugin-zopfli-1.0.4.tgz#e146d58f38478d83d6ae669e819fab64d8ff4fae"
-  integrity sha512-PEzsItwoygQpeOPgb/X7Dol+PuBMX9w0HOJnzPJh2/d0VpiYZA1emEaY9roQDKY0shyd0+4xSg+4TmhpqhlJ0Q==
+gatsby-plugin-zopfli@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/gatsby-plugin-zopfli/-/gatsby-plugin-zopfli-1.2.1.tgz#ebaef5d13eab7960059df2074d6851f909efc7c5"
+  integrity sha512-B+wwSJMzE5tNPJNRs0xLisOVuKwyb48hyHqXy5TACFqayRjnk/8BwHO9l31ElKzRYmnxXc78Y2IrCTb9CVXdaw==
   dependencies:
-    "@gfx/zopfli" "^1.0.10"
+    "@gfx/zopfli" "^1.0.12"
+    glob "^7.1.4"
+    mkdirp "^0.5.1"
 
 gatsby-react-router-scroll@^2.0.3:
   version "2.0.7"
@@ -5376,6 +5378,18 @@ glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, gl
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
+glob@^7.1.4:
+  version "7.1.4"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.4.tgz#aa608a2f6c577ad357e1ae5a5c26d9a8d1969255"
+  integrity sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
 global-dirs@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/global-dirs/-/global-dirs-0.1.1.tgz#b319c0dd4607f353f3be9cca4c72fc148c49f445"