chore: update to static cms v4.0.0

Author: KaneFreeman

package.json

@@ -22,13 +22,13 @@
   "dependencies": {
     "@fontsource/merriweather": "^4.5.14",
     "@fontsource/montserrat": "^4.5.14",
-    "@staticcms/app": "^3.0.0",
+    "@staticcms/app": "^4.0.0",
     "gatsby": "^5.7.0",
     "gatsby-plugin-feed": "^5.7.0",
     "gatsby-plugin-image": "^3.7.0",
     "gatsby-plugin-manifest": "^5.7.0",
     "gatsby-plugin-sharp": "^5.7.0",
-    "gatsby-plugin-static-cms": "^3.0.0",
+    "gatsby-plugin-static-cms": "^4.0.0",
     "gatsby-remark-images": "^7.7.0",
     "gatsby-remark-prismjs": "^7.7.0",
     "gatsby-remark-responsive-iframe": "^6.7.0",