fix(deps): update dependency netlify-cms-app to v2.15.69

Author: renovate-bot

package-lock.json

@@ -32,7 +32,7 @@
     "gatsby-source-filesystem": "4.6.0",
     "gatsby-transformer-remark": "5.6.0",
     "gatsby-transformer-sharp": "4.6.0",
-    "netlify-cms-app": "2.15.65",
+    "netlify-cms-app": "2.15.69",
     "postcss": "8.4.6",
     "prop-types": "15.8.1",
     "react": "17.0.2",