build(deps): bump gatsby-source-filesystem from 2.1.54 to 2.1.55

Author: dependabot-preview[bot]

yarn.lock

@@ -9057,9 +9057,9 @@ gatsby-remark-prismjs@^3.3.22:
     unist-util-visit "^1.4.1"
 
 gatsby-source-filesystem@^2.1.36:
-  version "2.1.54"
-  resolved "https://registry.yarnpkg.com/gatsby-source-filesystem/-/gatsby-source-filesystem-2.1.54.tgz#2dc2fea19b166826ebeb2d9ddcc61d0abbaeffc3"
-  integrity sha512-dSGckQYePVvkAwcY6DxJE9+NmtRZqNeTtMQySkLUJ+qA3EiaBizqumrdthwdgiHdIDrwjspL8HIcJ2BjnI4wbA==
+  version "2.1.55"
+  resolved "https://registry.yarnpkg.com/gatsby-source-filesystem/-/gatsby-source-filesystem-2.1.55.tgz#be30c28497bd92edc408bdba00288c13b8360cff"
+  integrity sha512-wUxaWBQWwnkGpca0irdHsSJPU+8itRrSaHtg5X+IYYJPcAGdyd8nMpXVnR5PbPaW5R8etCqVCtBZVtOTcYaANg==
   dependencies:
     "@babel/runtime" "^7.7.6"
     better-queue "^3.8.10"