[INFRA] dev - Bump gatsby-plugin-sitemap from 6.2.0 to 6.3.1 (#787)

Author: dependabot[bot]

package-lock.json

@@ -62,7 +62,7 @@
     "gatsby-plugin-material-ui": "^4.1.0",
     "gatsby-plugin-mdx": "^5.3.1",
     "gatsby-plugin-robots-txt": "^1.8.0",
-    "gatsby-plugin-sitemap": "^6.2.0",
+    "gatsby-plugin-sitemap": "^6.3.1",
     "gatsby-plugin-styled-components": "^6.3.0",
     "gatsby-plugin-typescript": "^5.3.1",
     "gatsby-remark-responsive-iframe": "^6.3.0",