fix(deps): update dependency gatsby to v3.0.4

package.json

@@ -12,7 +12,7 @@
     "babel-plugin-styled-components": "1.12.0",
     "color": "3.1.3",
     "download-stats": "0.3.4",
-    "gatsby": "3.0.3",
+    "gatsby": "3.0.4",
     "gatsby-image": "3.0.0",
     "gatsby-plugin-google-analytics": "3.0.0",
     "gatsby-plugin-layout": "2.0.0",

yarn.lock

@@ -7110,10 +7110,10 @@ [email protected]:
     semver "^7.3.4"
     sharp "^0.27.0"
 
-[email protected].3:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/gatsby/-/gatsby-3.0.3.tgz#9bbd6fbafebef27a3d6e616bc5341cc5aa3f49b1"
-  integrity sha512-MXW2xpFfK5k+CxDVo2iiy0ogoUdjoSqLi4Zri4vQy+4y26LUHfZkn6jNu83DVr5iXylm1P7eEJqwMQAhux2iLA==
+[email protected].4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/gatsby/-/gatsby-3.0.4.tgz#dce3e44cb85ee6a4cdc71a5be9b3485206bea0fc"
+  integrity sha512-LIBeox/O4XlgfpPYScS5LwFreWlZuuz4OZl0cnkA3M8EfxelHwLpqMvOeSYsoMHvogBJzlLocfRQIgzqvXS7kA==
   dependencies:
     "@babel/code-frame" "^7.10.4"
     "@babel/core" "^7.12.3"