fix: upgrade gatsby from 5.12.4 to 5.12.5

Snyk has created this PR to upgrade gatsby from 5.12.4 to 5.12.5.

See this package in npm:
https://www.npmjs.com/package/gatsby

See this project in Snyk:
https://app.snyk.io/org/sammyfilly/project/2353a930-def9-4bb1-816b-7d4f3cbadabd?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

starters/gatsby-starter-minimal/package-lock.json

@@ -16,7 +16,7 @@
   },
   "license": "0BSD",
   "dependencies": {
-    "gatsby": "^5.12.4",
+    "gatsby": "^5.12.5",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
   }