build(deps): bump gatsby-transformer-remark from 2.6.38 to 2.6.39

yarn.lock

@@ -8558,13 +8558,13 @@ gatsby-telemetry@^1.1.40:
     uuid "3.3.3"
 
 gatsby-transformer-remark@^2.6.33:
-  version "2.6.38"
-  resolved "https://registry.yarnpkg.com/gatsby-transformer-remark/-/gatsby-transformer-remark-2.6.38.tgz#5fe340d1ad7f0ef1a615ccc455c70dfdb1858681"
-  integrity sha512-ZK/wTX7pbi0G2zqxSW4aP6Jyou87bNzGiKkbSj9XAlU36G4JtXIMgAP76cK5OA7NNssWyBwVTgg1T3cPW7wDNA==
+  version "2.6.39"
+  resolved "https://registry.yarnpkg.com/gatsby-transformer-remark/-/gatsby-transformer-remark-2.6.39.tgz#37d65a1e4c0ca6105db31eeb9fec9ce9e4ced13a"
+  integrity sha512-l8xdIT4xcBorph5h4WmOXIdt1cSdfFJo9mcl6LHC2Pt3qkzhY5b2zZi5dZtxAcqOQz7I61nwARknnNkN+6w5PA==
   dependencies:
     "@babel/runtime" "^7.7.4"
     bluebird "^3.7.1"
-    gatsby-core-utils "^1.0.21"
+    gatsby-core-utils "^1.0.22"
     gray-matter "^4.0.2"
     hast-util-raw "^4.0.0"
     hast-util-to-html "^4.0.1"