fix(deps): update dependency gatsby-plugin-sharp to v4 [security]

Author: renovate[bot]

package.json

@@ -67,7 +67,7 @@
     "gatsby-plugin-offline": "3.2.37",
     "gatsby-plugin-prefetch-google-fonts": "1.4.3",
     "gatsby-plugin-react-helmet": "3.3.14",
-    "gatsby-plugin-sharp": "2.6.43",
+    "gatsby-plugin-sharp": "4.25.1",
     "gatsby-plugin-sitemap": "2.4.17",
     "gatsby-source-filesystem": "2.3.35",
     "gatsby-transformer-sharp": "2.5.19",