chore(gatsby-source-filesystem): update got dependency (#18857)

Author: EnKrypt

packages/gatsby-source-filesystem/package.json

@@ -13,8 +13,8 @@
     "chokidar": "3.3.1",
     "file-type": "^12.4.2",
     "fs-extra": "^8.1.0",
+    "got": "^9.6.0",
     "gatsby-core-utils": "^1.1.0",
-    "got": "^8.3.2",
     "md5-file": "^3.2.3",
     "mime": "^2.4.4",
     "pretty-bytes": "^5.3.0",