fix: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - gatsby from 5.12.4 to 5.13.3.
    See this package in npm: https://www.npmjs.com/package/gatsby
  - gatsby-plugin-manifest from 5.12.0 to 5.13.1.
    See this package in npm: https://www.npmjs.com/package/gatsby-plugin-manifest
  - gatsby-plugin-sharp from 5.12.0 to 5.13.1.
    See this package in npm: https://www.npmjs.com/package/gatsby-plugin-sharp
  - gatsby-source-filesystem from 5.12.0 to 5.13.1.
    See this package in npm: https://www.npmjs.com/package/gatsby-source-filesystem
  - gatsby-transformer-sharp from 5.12.0 to 5.13.1.
    See this package in npm: https://www.npmjs.com/package/gatsby-transformer-sharp

See this project in Snyk:
https://app.snyk.io/org/sammytezzy/project/4f0fcef2-a8af-4f60-9617-fd0b6c05ab41?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

starters/default/package.json

@@ -5,12 +5,12 @@
   "version": "0.1.0",
   "author": "Kyle Mathews <[email protected]>",
   "dependencies": {
-    "gatsby": "^5.12.4",
+    "gatsby": "^5.13.3",
     "gatsby-plugin-image": "^3.0.0",
-    "gatsby-plugin-manifest": "^5.12.0",
-    "gatsby-plugin-sharp": "^5.12.0",
-    "gatsby-source-filesystem": "^5.12.0",
-    "gatsby-transformer-sharp": "^5.12.0",
+    "gatsby-plugin-manifest": "^5.13.1",
+    "gatsby-plugin-sharp": "^5.13.1",
+    "gatsby-source-filesystem": "^5.13.1",
+    "gatsby-transformer-sharp": "^5.13.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
   },