chore(deps): update gatsby monorepo

Author: renovate-bot

package.json

@@ -31,7 +31,7 @@
     "babel-jest": "25.5.1",
     "babel-plugin-add-module-exports": "1.0.2",
     "babel-plugin-lodash": "3.3.4",
-    "babel-preset-gatsby-package": "0.3.1",
+    "babel-preset-gatsby-package": "0.8.0",
     "babel-preset-minify": "0.5.1",
     "codacy-coverage": "3.4.0",
     "codecov": "3.7.0",
@@ -48,8 +48,8 @@
     "eslint-plugin-react": "7.20.0",
     "eslint-plugin-standard": "4.0.1",
     "factory.ts": "0.5.1",
-    "gatsby": "2.20.16",
-    "gatsby-source-filesystem": "2.2.2",
+    "gatsby": "2.28.2",
+    "gatsby-source-filesystem": "2.7.0",
     "jest": "25.5.4",
     "jest-junit": "10.0.0",
     "json-stringify-pretty-compact": "2.0.0",