fix: update dependency pretty-bytes to v5 (#19485)

Author: renovate[bot]

packages/gatsby-source-filesystem/package.json

@@ -17,7 +17,7 @@
     "got": "^7.1.0",
     "md5-file": "^3.2.3",
     "mime": "^2.4.4",
-    "pretty-bytes": "^4.0.2",
+    "pretty-bytes": "^5.3.0",
     "progress": "^2.0.3",
     "read-chunk": "^3.2.0",
     "valid-url": "^1.0.9",