gatsby update dependencies (#1360)

Author: TuvalSimha

package.json

@@ -21,14 +21,14 @@
     "assert": "2.0.0",
     "codemirror": "5.65.1",
     "codemirror-graphql": "1.2.11",
-    "gatsby": "5.0.1",
+    "gatsby": "5.5.0",
     "gatsby-plugin-anchor-links": "1.2.1",
-    "gatsby-plugin-feed": "5.0.0",
-    "gatsby-plugin-google-analytics": "5.0.0",
-    "gatsby-plugin-less": "7.0.0",
-    "gatsby-plugin-webfonts": "2.2.2",
-    "gatsby-source-filesystem": "5.0.0",
-    "gatsby-transformer-remark": "6.0.0",
+    "gatsby-plugin-feed": "5.5.0",
+    "gatsby-plugin-google-analytics": "5.5.0",
+    "gatsby-plugin-less": "7.5.0",
+    "gatsby-plugin-webfonts": "2.3.2",
+    "gatsby-source-filesystem": "5.5.0",
+    "gatsby-transformer-remark": "6.5.0",
     "globby": "11.0.4",
     "graphql": "16.6.0",
     "marked": "4.2.2",